Reference

Compact sampling module for Eurorack that records and plays WAV samples, with CV and MIDI triggering, beat-sync clips, slicing, granular playback, and multi-sample support.

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IIR peaking comb filter with control over cutoff frequency, resonance capable of self-oscillation, and a dampening filter in the feedback path. Uses an incredibly short tuned delay line to impose harmonic peaks on the source.

Delay is a flexible, full-featured delay audio processor. CV over all parameters provides dynamic access to its nuanced controls. The feedback path ranges from slapback to infinity, allowing for wild permutations of the original signal. Delay times range from milliseconds to nearly one second.

Voltage controlled low frequency oscillator with 8 waveforms and smooth morphing between each, two simultaneous outputs, and a reset input for phase sync.

4 Mode High Fidelity Looper with a 5 minute recording buffer

A four-pole, voltage-controlled analog lowpass filter with 24 dB/oct OTA topology, CV over resonance, and self-oscillation capability for use as a sine VCO with 1V/oct tracking.

Analog multimode filter with a 12dB per octave slope. Simultaneous low pass, high pass, and band pass outputs with CV control over cutoff frequency and resonance.

Passive 2-input, 6-output signal multiplier/splitter. Channel 1 normals to Channel 2 when no cable is present in Input 2, allowing up to 6 copies of a single signal or two signals with 3 outputs each.

A Karplus-Strong algorithm based string synthesizer with four-voice polyphony, offering controls for decay time and dampening to shape plucked string tones from percussive transients to long sustaining sounds.

Compact beat repeat/glitch engine that adds click-less stutters, digital glitches, and complex stutter effects, with an onboard Triplet toggle and CV/Gate inputs for glitch sequencing.

The Catalyst Controller is a macro controller with eight precision CV outputs and a responsive crossfader to morph between scenes.

Dual-channel digital looping delay with up to ~3 minutes per channel, tap-tempo/clock sync, infinite hold looping, reverse, windowing, send/return feedback paths, and extensive CV/trigger control.

A polyphonic voice of sixteen sine-based oscillators combining additive, FM, phase-distortion and wavefolding synthesis techniques, with oscillators quantized to user-selectable scales or harmonic series for exploring the boundary between chords and rich evolving textures.

Clock-based digital delay combining delay, looping, and sample-tight synchronization. Features infinite hold looping, reverse playback, windowing/scrubbing, up to 87 seconds mono loop time, stereo mode, Send/Return effects loop, and Karplus-Strong resonant delay support.

A programmable DSP hardware host that maps physical knobs and jacks to virtual software modules, allowing users to run VCV Rack-compatible patches in a Eurorack format without a computer.

Dual pingable envelope generator whose envelope lengths are set by the time between clock pulses or 'pings', with full CV control of envelope shape, skew, and ping division/multiplication, plus triggering and cycling options.

Compact, playable four-channel tap-tempo, pingable (clock-syncable) LFO with variable skew and reset. Each channel's speed is set by a Tap Tempo button or an external clock. Each channel can be Muted and Reset with an external trigger.

Six-channel resonant bandpass filter bank with variable Q, quantized scales, rotation/spread, stereo I/O, envelope/trigger/1V/oct outputs per channel, and extensive CV control.

Six-channel wavetable synthesizer with spherical (3-torus) wavetables, six independent VCOs with 1V/oct pitch CV, six LFOs/envelopes, stereo audio output, and onboard sphere recording from live audio.

Complex multi-tap delay in Eurorack format with velocity-sensitive force sensor for tapping delay configurations (tapographies). Up to 32 taps, each with its own delay time, amplitude/filter, and panning. Features morphing between configurations, two feedback paths, 24 saveable tapographies, a tapography sequencer, and external clock sync. Mono-in, stereo-out. Designed by Matthias Puech and 4ms Company.

A playable 4x4 matrix of 16 SSM VCAs. Four DC-coupled CV/audio inputs can be routed in any amount and combination to four DC-coupled outputs. Each of the 16 crosspoints has its own CV control jack, level knob, and latching mute LED button.

High fidelity two-channel stereo audio recorder with basic playback features. Records lossless WAV files up to 96kHz/24-bit onto microSD card; accepts line-level to modular-level signals; features a Gain knob for up to +20dB boost and an LED Signal Meter.

A stereo super oscillator with 4 independent voices, each comprising 7 detunable waveforms, offering individual pitch control per voice and waveform morphing from sawtooth to square.

4-channel performance quantizer that turns any combination of CV and gate signals into melodic pitch voltages, with per-channel note masks, offset, slew, root, range, and chain sequencing.

Eight manual gate buttons outputting +5V while held (momentary). Four of the eight gates also accept signal inputs and act as momentary switches, passing the input signal to the output while the button is pressed and outputting 0V when released.

A combination of 8 manual latching toggle switches; each button toggles between gate high and gate low, outputting a 5V gate signal. Four of the eight latches additionally have signal inputs and can act as manual latching switches, passing the incoming signal to the output when toggled on.

A CV generator based on Newtonian physics simulation of a marble rolling and bouncing inside a tiltable tray, outputting the marble's XY position, velocity, and a bounce gate.

A physics-simulation quad CV generator that models four virtual buoys on an ocean surface driven by Gerstner Wave mathematics, outputting their vertical positions as CV signals.

6x6 stereo matrix mixer, DC-coupled, expandable to larger configurations. Each knob controls the volume at one matrix crosspoint routing a stereo input to a stereo output. All left input channels are normalled to the right inputs. Ships as two modules: ADDAC814A (Jacks) and ADDAC814B (Master Controls).

A multimode filter offering simultaneous LPF, BPF, and HPF outputs in Intellijel 1U format, with CV over resonance that reaches self-oscillation.

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An active, buffered, DC-coupled 4-input 3-output matrix mixer with a summed A+B+C output, usable for both audio and CV signals; enables feedback patches, complex routing, and signal distribution.

The AI028 is a 6-input, 6-output voltage-controlled matrix mixer with 36 linear VCAs, allowing any input to be routed to any output with gain controlled by 0–5V CV. AC coupled; intended primarily as an audio matrix mixer. Available as a DIY kit or built and tested. No front-panel knobs — all crosspoint levels are CV-controlled exclusively.

Fourteen-band fixed filter bank with inductor-based gyrator circuits, stereo left/right outputs, a left-right mix crossfader, a wet-dry crossfader, and a feedback control for resonance and self-oscillation.

Dual multi-mode VCF featuring two independent vintage SEM-style 12dB state variable filters with a central mixing bus enabling serial, parallel, and inverted parallel modes; includes CV control of resonance, overdrive, and self-oscillation.

All-analogue multimode filter and VCA with 16 filter types selectable via knob or CV, two resonance models per type for 32 total variants, a unique P-Vox resonance distortion/overdrive circuit, and a hard-wired output VCA. Filter core is based on the Oberheim Matrix 12.

A Eurorack VCA module with two fully discrete transistor VCA cores wired in series, modeled after the dual-VCA topology of the Moog Model D. Audio inputs and CV inputs control VCA 1; a Master CV input controls VCA 2, which is auto-normalized to full open when unpatched. An onboard jumper selects a high-gain overdrive mode for VCA 1.

Two independent contour envelope generators in a single Eurorack module, closely replicating the Moog Model D contour generator circuit with exponential response, retrigger behavior, and switchable AD/ADSD modes per channel.

Faithful discrete transistor replica of the Moog Model D 24 dB/oct four-pole lowpass VCF, with three-channel input mixer, vactrol-controlled voltage-controlled resonance (Emphasis), 1/3 and 2/3 CV inputs emulating original keyboard switches, variable exponential CV input, and optional overdrive jumper.

A discrete-transistor voltage-controlled oscillator that faithfully recreates the rare early all-discrete RA Moog Model D oscillator, with four simultaneous waveform outputs (Sawtooth, Triangle, Square with PWM, and Sharktooth), switchable octave selection, exponential and linear CV modulation inputs, oscillator hard sync, and a Lo setting for sub-audio LFO use.

Multimode Eurorack sequencer that simultaneously sequences two CV/GATE and four trigger patterns, and performs synchronised quantisation of an external CV signal. Uses SH-101 style step-time note entry and classic drum machine pattern editing with mechanical computer-style keys.

An 8HP expander module for the Squid Salmple, MFX, Pamela's PRO Workout, and MCO that adds 4 freely assignable CV inputs with manual offset controls and 2 performance buttons to the host module.

Dual channel stepped voltage source and adder for eurorack. Primarily intended as a dual octave switcher for VCOs, with additional uses including sequence transposition, FM ratio creation, buffered CV distribution, and VCO calibration. Also functions as a 1-to-6 or dual 1-to-3 buffered mult.

A dual digital phase-distortion VCO inspired by the Casio CZ synthesizers, featuring two oscillators with morphable PD algorithms, resonance wave generation, ring modulation and noise modes, built-in VCAs, CV-able chord mode with up to 8 voices, and stereo output with widening.

16 input stereo spectral mixer with a unique patch-based mixing interface. Each input has a carefully tuned resonant analog filter and a unique fixed pan value. Includes a Mix control for filter depth and a clean external stereo input for chaining.

Compact digital multi-voice synthesiser and VCO in 6HP, offering eight synthesis voice programs (wavetable, additive, JP-style digi-synth, vocoder, virtual-analog, bass/drum, SID chip, and vocal formant), each with assignable CV modulation, up to four-voice chords, built-in envelopes and LFOs, and dual audio outputs.

4-channel linear VCA and stereo mixer providing per input control over level, effect send, pan and muting. Features mono effects send with stereo return, soft mute buttons with LED indicators, individual VCA outputs, and an expansion port. All signals are Euro level and DC coupled (bar the effects return).

The MFX is a compact 6HP Eurorack stereo digital audio multi effects processor. It offers 17 different full featured effects programs plus a number of metering utilities.

Dual channel attenuverter with per-channel bipolar voltage offset and LED monitoring, usable for CV editing (LFO phase, level, DC offset) and audio (attenuation, inversion, mixing)

A compact programmable clocked modulation source providing 8 highly editable outputs producing various control voltage signals correlated and synced to a BPM-based master clock, with per-output waveform shaping, Euclidean rhythms, quantization, logic operations, and CV control.

Compact programmable clocked modulation source providing 8 highly editable outputs producing various control voltage signals correlated and synced to a BPM based master clock. Each output can produce simple clocked triggers, complex rhythmic waveforms, quantised melodic patterns, or random chaos with direct and assignable CV control over numerous parameters.

A compact 4HP voltage-controlled 2-pole low-pass filter with resonance, a pingable trigger input, and a built-in VCA. Cutoff is controlled by a knob and dual CV inputs with an attenuverter; resonance reaches self-oscillation; a trigger input enables percussive plucked sounds; the VCA is normalled open for independent amplitude control.

Compact 4HP all-analogue low frequency oscillator with wide frequency range, voltage control, bipolar and unipolar waveform outputs (triangle, saw, sine, square), reset input, and switchable VCO mode with V/Oct tracking.

Compact envelope and function generator supporting Attack/Decay and Attack/Sustain/Decay envelopes with voltage control, morphable slope shapes, looping modes including decreasing amplitude and time, and an End of Cycle trigger output.

Four-channel multi-mode modulator with each channel outputting a variable staged slope that can act as a complex envelope, flexible LFO, or step sequence. Each slope can contain up to 13 stages with per-stage level, time, and curve controls, per-slope quantiser with 19 scales, and selectable output ranges.

Five stage function generator or modulator which operates in one of 3 modes: a multistage 'CZ' or 'Juno' style complex envelope, a super flexible LFO, and a step sequencer with per step programmable slew or slides. Each mode produces a varying output voltage moving from point to point across a set number of chained together stages.

8 channel audio & CV sampler designed for immediate real time sampling, editing and mangling within a modular context. Features Pamela's Workout style UI, CV control of all parameters, on-the-fly USB bank loading/saving, and 11 seconds of 16-bit/44.1kHz sample time per channel.

Unity gain stereo summing mixer with four stereo input pairs summed as pairs to two independent mix outs or all as a single combined mix. DC coupled for audio or CV. Top mixer outputs normalize to bottom mixer section.

8 HP quad linear VCA built around THAT 2164 VCA ICs. Four independent DC-coupled linear VCAs, each with its own signal input, level/CV input, and individual output, plus a summed mix output. CV inputs are normalled to +5V so each channel doubles as a manual level control, making it usable as a clean four-channel mixer as well as a VCA bank. Marketed as a no-frills, bleed-free linear VCA; reverse-polarity protected and skiff-friendly.

Analog triangle core through-zero FM oscillator with continuous morphing waveshape, voltage-controlled FM index, built-in output VCA, voltage-controlled octave transposition, dual sub-octave pulse outputs, hard sync, and LFO mode.

A dual 12-bit digital wavetable drum voice with full voltage control and an analog EQ output path; twin voices are independently triggered and share pitch and envelope parameters of a swept wavetable oscillator, with voice 1 passing through a voltage-controlled analog tilt EQ and voice 2 through a digital wavefolder.

Chronoblob2 is a digital delay module with four delay modes (Dual, Ping-Pong, Single, Cascade), clock sync, CV inputs for Time/Feedback/Dry/Wet, and an Infinite Loop function.

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Performance stereo mixer and quad discrete VCA with four channels (each with gain, pan, tilt EQ, offset, mute, and CV input), master volume, FX send/return loops, and expansion capability for up to 16 channels.

Complex harmonic CV processor combining three independent quantizer channels, a four-voice chord generator, an arpeggiator, and a chord progression sequencer, all sharing a common key and scale. Features 88 built-in scales, assignable CV and gate I/O, an input/output routing matrix, and Harmonic Link for connecting multiple units.

Performative quad VCA mixer with flexible submix routing and two styles of integrated envelope followers. Features clickless mute switches, level faders, attenuverters, cascading mix routing, a Side Chain envelope follower with 3 response curves, and a Spectral envelope follower with selectable frequency band focus.

A compact, flexible digital stereo delay module built on the Bastl Pizza platform, offering clean delay and lo-fi flavors with a Space section for diffusion, feedback filtering, and multi-tap effects. Supports chorus, flanger, vibrato, pitch shifting, reverb, and stereo widening via modulation of the delay buffer.

Four-channel Eurorack stereo mixer/preamp optimized for hybrid setups. Channels A/B boost Eurorack sources by ×2/+6dB (DC-coupled); Channels C/D are line-level preamps boosting up to ×10/+20dB (AC-coupled) with stereo TRS inputs for desktop gear. Soft Zener clipping on mixdown outputs and chainable via back jumpers.

A unique-sounding state-variable filter with simultaneous low-pass, band-pass, and high-pass outputs, voltage-controlled cutoff, drive switch for input overdrive, and character switches that alter resonance response and waveform character.

A hard-hitting drum voice consisting of two layers — a NOISE source and dual-oscillator TONE generator — with pitch envelope, layer mixing, FM envelope, transient shaper, and hard-clipping output stage.

A voltage-controlled audio feedback module with input VCA, soft clipping, 2-band EQ with boost/overdrive, envelope follower, voltage-controlled feedback loop, and a crossfader between input and feedback signal paths.

Granular mono sampler for Eurorack. Reads samples from a microSD card accessible from the front panel, runs the same sound core as the microGranny 2. Two trigger inputs for two different samples, CV input assignable to any sound parameter, 12-bit output.

Stereo or dual-peak filter with two parallel 12dB/oct state-variable filter cores, continuously sweeping between lowpass and highpass with a single knob, built-in envelope follower, input overdrive, output stereo VCA, and a Beyond output for difference-spectrum twin-peak filtering.

A mini modular synthesizer with a complex oscillator, voltage-controllable LFO, and stepped waveform generator offering six synthesis modes, headphone output, and 2 in/out CV ports, runnable on batteries or USB power.

Three-coordinate probabilistic pattern generator with independent traveling algorithms per coordinate, dedicated trigger outputs, and CV-controllable probability per coordinate.

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Digital FM oscillator with 3 internal oscillators (MAIN carrier, OCT and RATIO modulators), wave-folding, ring modulation, and assignable CTRL.

Dual voltage controlled decay envelope with dual linear VCA. Each channel has an exponential decay envelope normalized into a linear VCA. Envelopes can be configured as release envelopes via jumper.

Voltage-Controlled Voltage Processor. Two-channel utility that multiplies two input signals (A × B) and adds a third signal (C) to the result. Supports ring modulation, linear VCA, mixing, attenuation, and CV processing.

Dual Hi/Low-pass Sallen-Key VCF inspired by the early MS-20, with two independent channels, CV-controlled cutoff and resonance, attenuverters, and a Link switch for series routing.

Six-channel VCA with variable response curve (exponential through linear to logarithmic), with summed mix output. Can be used as a six-channel mixer or six independent VCAs.

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A flexible MIDI-to-CV converter with 12 assignable output ports, polyphonic note handling, envelope and LFO generation, a configuration screen, TRS MIDI in/out, USB host and device, MIDI merge out, and a web configuration tool.

Utilitarian audio and CV mixer that combines up to four audio and/or CV sources into one output, with independent manual level control. Can be used as a four-channel mixer or as two separate two-channel mixers depending on connection. DC-coupled with LED signal indicators.

Muxlicer is an eight channel, CV addressable bidirectional analog switch and gate generator, divided into three main blocks: Digital Step Controller, Gate Generator, and Analog Switch (Mux/DeMux).

Multitimbral noise monster with three digital sound generators followed by three analog multimode filters. First two channels choose from dozens of algorithms with two CV controls each; third channel has gritty noise, white noise, and filtered outputs.

Experimental stereo synthesizer for ambient pads and drone-like soundscapes. Built on the Rebel Technology OWL mk3 platform with 24-bit/48kHz stereo audio (32-bit internal processing). Features 3 oscillators, 4 effects (filter, resonator, echo, reverb), a 5-second looper, self-modulation, and a randomizer.

A percussive quad decay envelope and VCA module with four channels, choke control, a strength input affecting all envelopes, and a normalised submix output.

Space-conscious lowpass filter and volume processor. A combination of VCF + VCA + Mixer that lets you mix three different sound sources and shape their tone and levels. Built around the SSI2144 FATKEYS chip with temperature-compensated Q and frequency, and resonance-compensated volume.

Dual voltage-controlled integrator/function generator based on the Serge/Buchla ramp generator concept, with slope detectors, analogue logic functions, and combined outputs.

Multi-function module that lies somewhere between a VCO, a Sample & Hold, and an 8 step trigger sequencer. Can function as a sequencer clocked sample & hold, analog down-sampling effect, sampling modulator/shaper, 8 step trigger sequencer, and unusual V/Oct VCO. Uses a temperature compensated ramp core VCO with more than 4 octaves of tracking.

Versatile spring reverb module with two voltage-controlled inputs, one routed to mix and tank, another straight to tank; CV control of MIX; MIX and WET outputs.

STMix is a four channel stereo mixer in 6HP. It can work independently or as expansion of the Hexmix module via the six pin connector located in the back. The module includes an extra stereo input (Aux) without attenuation that goes directly to the output.

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Legendary 2500 Series 12dB State Variable Filter Module for Eurorack with simultaneous lowpass, highpass, bandpass, and notch filter outputs.

Legendary Analog VCO/VCF/VCA Module for Eurorack

Legendary analog dual VCF module designed for Eurorack systems, featuring two independent filter channels with high-quality components and precise controls for shaping sound.

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Legendary Analog Dual Envelope/LFO Module for Eurorack

A utility module combining a ring modulator, dual noise source (white and pink), sample & hold circuit, and LFO with multiple waveforms in a single 16 HP Eurorack panel.

Legendary Analog Sequencer Module for Eurorack

Analog Music Computer for Eurorack — dual function generator with four channels (Ch1 and Ch4 as full Rise/Fall function generators; Ch2 and Ch3 as attenuverters), voltage processing, logic outputs (OR, SUM, INV), and unity/EOR/EOC outputs.

Multi-engine macro-oscillator for Eurorack with 20 synthesis engines and OLED oscilloscope display showing the live output waveform.

MIDI to CV Converter Module for Eurorack. Converts MIDI note/CC signals received via USB or 5-pin DIN to CV and trigger outputs. Supports monophonic and duophonic operation with selectable CV ranges for different Behringer synth families.

4HP Eurorack capacitive touch-strip controller with two CV outputs tracking finger position and touch size, plus four performance modes: Control, Record, Signal, and Notes. Features gesture recording, signal processing, and a 5-note tunable keyboard/sequencer.

24 HP Eurorack capacitive touch-strip controller in Intellijel 1U format. Produces two high-resolution CV outputs from finger position and touch size, with modes for real-time control, gesture recording/playback, CV/audio signal processing, and a 5-note tunable keyboard/sequencer. 23 RGB LEDs provide visual feedback.

A comprehensive stereo audio output monitoring utility for Eurorack with a 2-channel stereo VCA mixer, master volume with VU meters, headphone amplifier with cue source selection, a system mute switch, and balanced pro line-level outputs.

An all-analog six-channel stereo audio mixer for eurorack modular systems with extensive CV control, dual mix busses, FX sends/returns, and expansion ports.

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A six-channel aleatoric sequencer and modulation generator combining a random engine, per-channel looping, and a step sequencer. Workflow proceeds in three layers: shape the random generation with tunable parameters, lock a loop and globally modify it, then edit individual steps. Each channel produces an independent gate output and CV output with probability, width, swing, ratcheting, time (as clock multiplier/divider or free-running in ms), quantization, slew, and voltage window controls. A master clock output (10ms–10s) is available and external clock sync is supported. Ten preset slots allow saving and recalling full channel state.

Stereo compressor and transient shaper with VCA-based feed-forward design, switchable HP/LP sidechain filter, CV inputs for attack, release, filter cutoff and makeup gain, and Stereo VCA mode.

Analog complex dual oscillator with two independent triangle-core VCOs, through-zero linear FM, exponential FM, phase modulation, ring modulation, per-voice sinusoidal wavefolder, per-voice low pass filter, sync, and cross-modulation matrix.

Experimental eurorack looper with 4 simultaneous play heads, each independently controllable for speed/pitch, direction, position, and volume. Features overdub recording, built-in effects (delay, reverb, bitcrush, tape, wavefolder), 4 assignable CV inputs, and two mono audio outputs.

A six-channel multi-mode filter module for Eurorack modular synthesizers, with six independent filter channels each having frequency, resonance, and filter type controls.

Vactrol-based Low Pass Gate inspired by the Buchla 292. Combines a 12 dB low pass filter and VCA, switchable between LP, VCA, and LP+VCA modes. Features resonance up to self-oscillation, CV and audio attenuators, and two gate inputs for mode control.

Reproduction of a legendary voltage-controlled diode ladder lowpass filter. Uses diodes (instead of transistors) as frequency-controlling elements in the filter cascade, resulting in distinctive resonance and frequency behaviour where the two parameters are not fully independent. 24dB/oct slope, self-oscillation capable.

Voltage controlled 18dB/octave lowpass filter based on a modified transistor ladder (Moog ladder), reproducing the legendary TB-303 filter circuit. Features three CV inputs, manual cutoff frequency and resonance controls up to self-oscillation.

Fourfold formant filter inspired by the Mixtur-Trautonium by Oskar Sala, consisting of four parallel resonance filters with common input and output. Each filter can be switched to low pass, band pass, or off, with separate manual controls for frequency, resonance, and level. No voltage control. Frequency range per filter approximately 50 Hz to 5 kHz.

Voltage controlled 24dB/octave lowpass filter based on the SSI2144 chip (successor to the SSM2044), with two audio inputs and CV control over frequency and resonance.

12dB multimode filter based on the Oberheim SEM circuit. Features a bandpass output and a combined low/notch/high pass mix output. Does not self-oscillate.

Voltage-controlled transistor-ladder (Moog ladder) lowpass filter with 8 internal filter stages (6–48 dB/oct). Four simultaneous lowpass outputs at 6, 12, 24, and 48 dB/oct (factory default), plus a band pass output. Three CV inputs for frequency control; external feedback input for voltage-controlled resonance.

Voltage-controlled oscillator producing four waveforms simultaneously (square, sawtooth, triangle, sine) with a frequency range of about ten octaves, controlled by Range switch, Tune knob, and CV inputs.

Complete monophonic synthesizer voice in 10HP featuring a triangle-core VCO with sub-octave, a balance/mixer unit, 24dB lowpass VCF (self-oscillating), VCA, and an AD/ADSR/AR envelope generator.

A noise and random voltage generator producing white noise, colored noise, and random voltage.

Voltage controlled 24dB/octave transistor ladder lowpass filter with three CV inputs, manual cutoff frequency control, and resonance adjustable to self-oscillation.

Voltage-controlled multi-mode filter with -12 dB/octave cut-off slope, four simultaneous outputs (LP, HP, BP, Notch), CV-controllable frequency and resonance, and self-oscillation capability.

Slim line 4HP voltage-controlled multimode filter with -12 dB/octave slope, four simultaneous outputs (LP, HP, BP, Notch), voltage-controlled resonance, and self-oscillation capability.

Dual multimode filter with two independent VCF channels; one provides highpass and bandpass outputs, the other provides lowpass and bandpass outputs. Includes a common frequency control, a frequency spread (Delta) control, individual resonance and CV attenuators, and a simple mixer unit. Can be used as parallel or serial dual filter, stereo filter, or cascaded with additional modules.

Dual multimode filter usable for stereo applications or as parallel/serial dual mono filters. Filter type continuously morphs from lowpass via notch and highpass to bandpass (-12dB/oct). Offers common and individual controls for frequency, resonance, and filter type, plus a frequency spread (Delta F) control.

Special voltage-controlled multimode filter with a cut-off slope of -12dB/octave, using the peculiar electronic circuitry of the EDP Wasp synthesizer. Abuses digital inverters as analog operational amplifiers. Has band-pass output and combined low/notch/high-pass output. Cannot self-oscillate.

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Triple voltage-controlled resonant bandpass filter with three independent BP filter channels sharing a common audio input, each with internal triangle-wave LFO for frequency modulation, per-channel CV input, and individual audio outputs plus a summed mix output.

15-band fixed filter bank made up of 15 parallel band pass filters with fixed middle frequencies and bandwidth; each band has its own amplitude control knob for attenuation.

Vocoder analyzer section. Splits a speech/voice signal through a bank of 13 bandpass filters plus 1 lowpass and 1 highpass filter, with an envelope follower per band producing 15 CV outputs that track the spectral envelope of the input signal.

Synthesis section of the A-129 modular vocoder. Takes a carrier signal through a bank of 15 bandpass/lowpass/highpass filters, each with a VCA controlled by CV inputs from the A-129/1 analysis section, producing the classic vocoder effect. Can also be used as a standalone voltage-controlled filter bank.

A slim dual VCA offering two identical voltage-controlled amplifier channels, each with manual initial gain, a CV attenuator, and a switchable linear/exponential response curve. DC-coupled throughout, making it suitable for both audio and control voltage processing.

Eight independent linear voltage-controlled amplifiers (VCAs) with three summing mix outputs (1–4, 5–8, 1–8). Fully DC-coupled; suitable for both audio and CV processing.

Voltage controlled waveform multiplier with 4 wave-folding stages, a VCA for Multiples control, and independent manual and CV control over Multiples, Folding Level, Symmetry, and Harmonics parameters. Acts as an inverse low-pass filter, adding harmonics to signals with few harmonics (e.g. triangle or sine). Fully DC coupled.

Wave Multiplier II: generates four phase-shifted copies of an audio input signal (sawtooth, triangle, or sine) and adds them to the original to produce a fat sound similar to five independent VCOs. Phase shifting is achieved by comparing the input with a slowly varying CV; the resulting rectangle is algebraically added to produce shifted waveforms.

A simple but effective 4-in-2 stereo mixer with four inputs, each with a Level attenuator and Pan control, routing signals to Left and Right outputs. DC coupled for use with both audio and control signals.

Dual voltage-controlled switch containing two independent bidirectional switches. Each switch routes a common Out/Input to one of two In/Outputs based on the control voltage level. Two LEDs indicate which output is active.

Electronic four-position rotary sequential switch with trigger and reset inputs, four bidirectional I/O jacks, a common Out/Input, four LEDs indicating the active step, and a toggle switch to limit steps to 2, 3, or 4.

Voltage offset generator combined with an attenuator/polarizer. A toggle switch selects between attenuator and polarizer (attenuverter) modes. The DC offset is adjustable via the Offset knob, and the input signal can be attenuated or bipolar-scaled and added to the offset voltage.

A Bucket Brigade Device (BBD) analog delay module. Audio is passed through a chain of sample-and-hold stages clocked by an internal high-speed VCO or external clock. Typical applications include flanger, chorus, analog delay, and Karplus-Strong synthesis. The module features voltage-controlled clock rate, dual CV inputs with polarity switches, feedback with polarity switch, external feedback insert, and separate BBD and mixed outputs.

Tapped BBD delay module using the MN3011 chip, providing six tapped outputs at BBD stages 396, 662, 1194, 1726, 2790, and 3328. Features two independent mixing sub-units, each with per-tap level/polarity controls and a wet/dry mix control, a voltage-controlled feedback section with polarizer, a built-in high-speed VCO clock, and CV control over delay time.

Precision audio VCO with an integrated PLL (phase-locked loop) that multiplies the VCO frequency by 32, primarily for driving BBD delay modules. Outputs sawtooth, triangle, and rectangle waveforms; operates in Audio VCO or High-Speed VCO mode.

Eurorack reference design for the Daisy Seed — a user-programmable DSP platform with quad 24-bit audio IO, CV/gate I/O, knobs, encoder, OLED display, SD card, and TRS MIDI. The firmware is a blank slate loaded by the user via web browser or custom C++/PD/Arduino/Max gen~ code.

Creative stereo multi-dimensional effects chain module with delay, reverb, multimode filter, and distortion in a re-orderable signal chain. ARM Cortex-M7 processor, 96kHz/32-bit internal processing. Co-designed with Andrew Huang.

Stereo multiband processor combining three-band EQ, three-band compression, and mid/side processing in a compact performance-oriented 6HP module. Inspired by classic studio mastering processors and radio loudness units from the 90s. Features 24-bit/96kHz audio I/O with 32-bit internal processing and a final brickwall limiter.

Dual multi-mode filter (8 types per channel), dual looping/AD/ASR envelope generator, and stereo 16-effect FX processor (Cabin Pressure). Operates as a complete synthesizer voice when paired with an oscillator.

Versatile filter with overdrive featuring simultaneous HP, BP and LP outputs, CV control over cutoff and resonance, self-oscillation, and an adjustable germanium diode overdrive circuit on the VCF input.

Authentic sounding emulation of the famous Russian Formanta Radio Factory Polivoks VCF, using original Russian K140UD12 ICs in the sound circuit. Features independently buffered inputs, extended Cutoff knob, switchable BP/LP filter modes, and an output stage to eliminate signal inversion.

4-channel CV/gate/modulation sequencer with up to 64 steps per pattern, song mode, built-in quantizer, per-step probability/ratchet/glide/shuffle, LFOs, envelope generators, MIDI I/O, and SD card storage.

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Eurorack incarnation of the percussion voices from the PERKONS HD-01 Drum machine, featuring a digital sound engine followed by an analogue multimode filter and overdrive. 13 sound generation algorithms, up to 99 user presets, 1V/oct tuning, 4-voice poly overlap mode, and drone mode.

Erica Pico LPG is a vactrol-based Low Pass Gate inspired by classic Don Buchla LPG designs, featuring VCA and VCF modes, configurable resonance via back-of-module jumper, and a built-in decay envelope generator.

Polivoks-topology multimode filter in 3HP using rare Russian opamps. Offers lowpass and bandpass modes, self-oscillation, and input overvoltage protection. Suited for acid basslines, resonance sweeps, and deep wobbles.

14HP eurorack dual-channel sample player module designed for live performance, with fast trigger response, 1V/Oct pitch tracking, virtual VCAs, AD envelopes, realtime effects, sample recording, slicing, and 3 assignable CV inputs per channel. Samples loaded from SD card into 32MB RAM.

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High-density octal AD/AR envelope generator with three system modes: Envelope (8 independent channels), Quad (quadrature phase sets), and Oct (octature phase set). Each channel is configurable as Repeating (LFO), AD, or AR.

Multifunction Eurorack module that can operate as two souped-up disting mk4s (dual mode) or as a single powerful module (single mode) with algorithms including audio processing, CV processing and generation, oscillators, sample playback, polysynth, granulator, and implementations of Braids, Rings, and Plaits.

4HP multi-algorithm utility module with 112 algorithms covering oscillators, filters, envelopes, quantizers, delays, effects, audio/MIDI file playback from microSD, and more. Features a dot matrix display, encoder, Z knob with CV input, two CV inputs (X, Y), and two outputs (A, B).

USB 2.0 class-compliant audio interface in a Eurorack module with DC-coupled inputs and outputs for CVs and audio, plus ADAT I/O for expansion.

16-in/16-out USB audio interface with DC-coupled inputs and outputs for audio and CV, featuring 14 analogue inputs, 8 analogue outputs, balanced 1/4" main outputs, headphone output, S/PDIF I/O, internal 8x8 crosspoint mixer, and optional MIDI I/O via breakout.

MIDI-to-CV converter with 8 outputs, 2 inputs, USB host/device, clocking, LFOs, arpeggiators, Euclidean patterns, sequencers, shift register randoms, CV-to-MIDI, and preset storage.

Eurorack format version of the Weaver handheld sampler — a single-knob audio sampler focused on randomness and exploration, capturing two-second sound bites into hypnotic loops, with stereo output, built-in microphone, separate level controls for loop elements, three gate outputs for random rhythm generation, and CV/gate inputs for recording and knob automation.

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Three-channel knob recorder that captures and plays back the movements of three knobs as control voltages, with adjustable playback speed and offset, one-shot or loop playback, a common reset input, and battery-backed persistent memory.

Drum wave synthesizer with three analog drum-wave sections, a pin matrix patch bay, vactrol-gated output, and CV over each section's control knob. Capable of beats, drone, noise, and external audio processing with fuzz, filtering, and heavy distortion.

A three-section multi-purpose utility module for high-quality audio and CV processing, capable of scaling, inverting, and adding positive or negative offsets to signals, with two summing outputs and DC-coupled circuitry.

Dual analog triangle-core through-zero oscillator with a timbre modulation section (waveshapers, PWM, wavefolder) and a four-quadrant multiplier for amplitude and ring modulation, offering eight waveform outputs and extensive internal and external modulation routing.

The C (Channel) module is a discontinued mono channel strip for the CGM Creative Mixer system. Its signal routing provides VCA input gain, two effect sends (pre/post fader), stereo pan with CV input, a channel fader, and a direct output. CV controls are available for VCA level, effect send levels, and pan. Creative functions include Mute, Solo in Place, and PFL.

The Group is a stereo module that blends the signals from the channels linked to it (up to eight) and manages their signal routing. It consists of three sections: the amplitude controls (white) and the two effect sends and returns (yellow and green).

The Masterone is the gateway from the modular system to the outside world, providing high-quality outputs in multiple formats including pseudo-balanced stereo TRS, balanced stereo XLR, and pseudo-balanced mono outputs, plus a headphones/PFL section.

Dual all-analog fixed filter bank with two arrays of 16 independent bandpass filters, per-band VCA faders with CV inputs, envelope followers for spectral transfer/vocoding, and macro spectral editing controls (Tilt, Peak/Notch, Center, Width).

Analog envelope follower that extracts a CV envelope and a gate signal from an audio input, with selectable Line/Mic input level and a pre-amplified audio thru output.

EaganMatrix Eurorack Module: full-featured EaganMatrix synthesis engine in 22HP Eurorack format, with 4 per-note CV inputs (W/X/Y/Z), 4 global CV inputs (i/ii/iii/iv), stereo audio I/O, MIDI in/out, USB MIDI, i2c port, 12 switches, 1 rotary, and LED matrix. Nominal 1 voice, max 8 voices polyphony.

6-channel attenuverting mixer/offset/scale/polarizer in 3 blocks of 2-channel attenuverting mixers using dual concentric pots. DC coupled for audio, CV, or both.

Three high-class linear VCAs with AC/DC compatibility. Each channel has a signal input, CV input, and output with manual level and bipolar CV attenuation knobs. Switches allow summing: 1+2, 2+3, and 1+2+3 outputs. Two-colored LEDs visualize CV and output signals.

Pathways is a hybrid/desktop form factor with Eurorack CV jacks. A modular matrix mixer designed for feedback manipulation, creative routing, weird synthesis, and many other things. Core topology: 4×4 analog VCA matrix with 16 intersections. Each intersection has a manual level knob, a 3.5mm CV input jack, and a dedicated LED indicator. 4x 1/4" inputs with gain/drive control, 4x 1/4" outputs. Includes two voltage-controlled LFOs, an envelope follower normalled to input 4, and a 3-stage cascaded clock divider.

16-output MIDI to CV/gate interface. Four CV outputs and twelve gate outputs, all universally reconfigurable via SysEx patch. Supports triggers, gates, clock divisions, polyphonic CV, velocity, CC, pitch bend, aftertouch, and transport.

Stereo dual-channel triple-band filter network with two switchable modes — Resonator (triple bandpass) and Isolator (cascaded state-variable) — featuring voltage-controlled frequency, span, and resonance across independent low, mid, and high bands with individual outputs and a soft-clipping SUM output.

A pulsar synthesizer for Eurorack based on Curtis Roads' principles, operating between oscillator, granulator, and clock generator, with stereo 96kHz/24-bit outputs, formant and cluster controls, wave shaping, folding, and output masking.

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A single-fader crossfader, attenuator, attenuverter, and manual DC offset module for CV and audio processing.

Two manual faders providing linear unipolar positive output control voltages, switchable between 0–5V and 0–10V via rear jumpers.

Transistor ladder lowpass filter with integrated VCA (pre/post-filter routing), envelope follower, comparator gate output, strike input with variable decay, and user-definable CV parameter assignments. Self-oscillating resonance with auto-gain compensation.

Granular audio processor with two engines supporting up to 88 polyphonic grains, six 10-second audio buffers, built-in condenser microphone, analogue input preamplifier and limiter, USB import/export, onset detection for automatic capture, Scan Mode, Follow Mode, and Wavetable Mode.

A fully analogue voltage-controlled ADSR envelope generator with per-segment gate outputs, CV control over all four stages, retriggerable attack, hold mode for slew limiting, and variable linear-to-exponential envelope shape.

A dual analogue oscillator optimised for complex waveform generation, featuring two contrasting discrete-circuit oscillators (sawtooth core and triangle core) normalled to one another, with a wavefolder per oscillator, four-quadrant signal multiplier, symmetry biasing, PWM, a global modulation index bus, and digitally-controlled internal modulation routing.

A high-resolution quantiser, precision adder, MIDI-to-CV interface, and USB MIDI Host in a small 4 HP format, with an included 2 HP MIDI expander.

A dual analogue all-pass filter with cascaded normalisation, offering phase-shifting, psychoacoustic stereo enhancement, and synthetic Doppler effect via two independent channels with 1V/oct tracking.

A compact stereo mixer with two stereo input channels; the top channel includes a built-in stereo two-quadrant VCA with audio-tapered level control and CV input, and both channels sum to stereo outputs. Rear expansion jacks allow chaining with other Instruō stereo mixer modules.

A clock generator and processor that converts a single internal or external clock into seven related clock pulse outputs, with spread-controlled division/multiplication, probabilistic masking for random or repeating phrasing, pulse width control, and live/lockable output states.

An external input module that brings microphones, instruments, and line-level sources into a Eurorack system via a transformer/opamp mic preamp and a FET instrument/line preamp, with phantom power, pad, HPF, envelope follower, and comparator.

Dual-channel looper inspired by tape techniques; each channel independently records, plays back, overdubs, and pitch-shifts up to 10 minutes of audio with analogue input saturation and a normalised cross-feedback path between the two decks.

Eight independent free-running analogue triangle-wave LFOs in 4HP, with a global rate knob and CV input with attenuverter. Rates are spread from fastest to slowest top to bottom, and the LFOs phase organically. Designed in collaboration with Ben 'DivKid' Wilson.

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A three-channel analog waveshaper, limiter, overdrive, and feedback controller that applies the hyperbolic tangent (tanh) function to each input signal, producing soft clipping and harmonic saturation.

Standalone two-oscillator synth voice with internally-patched synthesis blocks and 32 individual patch points, encompassing VCO A, VCO B, MIXER, VCF, ENV/VCA, and MODS sections.

A 3-channel stereo mixer in Intellijel 1U format with a stereo auxiliary send bus, AC-coupled with logarithmic attenuators, soft-clipping output stages, and rear-panel 3-pin connectors for inter-module bus chaining.

A dual-channel analog wavefolder combining a Buchla-inspired parallel 'deadband' folder (P channel) and a Serge-inspired serial folder (S channel), linked by a voltage-controlled crossfader with extensive CV, feedback, and routing options.

Dual 1-in to 4-out buffered signal multiplier in the Intellijel 1U format. The two independent sections can be used separately or the top input can be normalled to the bottom to create a single 1×8 buffered multiple.

A fully analogue triangle-core oscillator capable of generating five different waveforms plus a square wave sub-oscillator, operable in VCO or LFO mode with dual FM inputs, hard sync, flip sync, octave switch, and pulse width modulation.

Two high quality, DC coupled, linear VCAs in a compact 1U package. Can be used independently or in tandem via signal normalling for audio and CV amplitude control.

Force Sensing CV and Gate Generating Pad — generates a variable CV proportional to pressure applied to the FSR pad, along with a gate signal active while the pad is touched.

2HP MEMS omni microphone module with CV-controllable output level, highpass filter switch, and activity/overload LED indicators.

Multitrack, performance-oriented pitch, gate and mod sequencer. Two tracks plus 8 mod lanes, 8-stage sliders, pulse count and gate type switches, loopy mode, 64 presets, 3 AUX inputs, 2 CTRL knobs, and extensive CV routing.

14HP 1U class-compliant MIDI-to-CV interface. Receives MIDI from an attached external MIDI input connector (7U case, Palette case, or MIDI IN Jacks 1U module). Works in Single Mode (one monophonic synth: PITCH, VEL, MOD, CC, GATE, TRIG, CLK, RST outputs) or Dual Mode (two monophonic synths sharing the same jacks). Expandable with up to four CVx 1U modules for polyphonic and drum operation.

A six-input (plus two via chaining) chainable stereo audio utility mixer with AC-coupled circuitry and logarithmic attenuators, mixing mono and stereo sources to a stereo output.

Analog self-oscillating dual six-mode filter with crossfader, serial/parallel routing, ProCo Rat-modelled overdrive on Filter A, Q-Drive resonance saturation, phase inversion on Filter B, and ring modulation capability via XFADE with phase-inverted Filter B.

Live Stereo Morphing Granular Sampler with instant access to eight Sounds, played back through a granular engine with morphable scenes and a reverb effect called Blur.

Balanced stereo line and headphone output module. Converts modular-level signals to +4dBu balanced professional line level (TRS 1/4") and -10dBV unbalanced standard. Includes a low-noise headphone amplifier with independent level control on a 1/4" stereo jack. Left input is normalled to right input for mono-to-stereo operation.

Simple, DC-coupled, vactrol-based, 1-pole passive low pass gate controlled by an external CV input. Passive module requiring no power.

A precision 2D joystick controller providing vector control of two independent output sets (quadrant-based A–D and axis X/Y), quad crossfading/panning/routing of audio, CV gesture recording and playback, and two CV inputs with selectable Cartesian/Polar/Scan automation modes.

Physical modelling percussion synthesizer developed in collaboration with Applied Acoustics Systems. Breaks sound into an exciter (mallet or noise) and a resonator (string, beam, marimba, drumhead, membrane, or plate) to synthesize percussive and pitched sounds. Two-voice polyphonic, 128 preset slots, CV-controllable with four modulation inputs.

4-stage cascaded OTA filter with dedicated LP, BP, and HP outputs plus a configurable MULTI output with 27 selectable filter modes including lowpass, bandpass, highpass, notch, allpass, and phaser. Features input drive with soft clipping distortion and asymmetric distortion on the MULTI output.

Four-channel variable-response VCA with cascaded CV inputs and cascaded mix outputs. Features per-channel level control, CV attenuators, linear-to-exponential response sweep, boost switch, and normalled mixing.

Four channel active/buffered attenuverter and summing mixer. Each channel has a knob functioning as a unipolar attenuator or bipolar attenuverter, with inputs normalled to +5V DC and outputs normalled into the adjacent channel for submixing.

4-channel CV-controllable function generator with AD, AHR, cycling, burst, and morphing bipolar LFO modes; channels are linkable and have a fully programmable CV matrix with attenuversion.

A high-quality stereo rhythmic delay and comb resonator Eurorack module featuring a 16-tap rhythm delay line (each tap with its own multimode filter and granular pitch shifter) and a 64-tap tunable comb resonator, with extensive voltage control, 128 preset slots, and FPGA-based 96kHz/32-bit internal processing.

Scales is an 8hp dual-channel note quantizer and step sequencer. It quantizes input voltages to notes in a user-defined scale, with two independent outputs, shift/interval control, and a 128-step SH-101-style step sequencer with storage for up to 35 fully programmable patterns.

Stereo character delay with reverb that models three delay circuit types (tape, bucket brigade, and digital), featuring per-model color controls, built-in modulation with multiple waveshapes, low/high-pass filters in the feedback loop, and a configurable signal flow.

Dual digital voltage-controlled wavetable oscillator with 128 wave banks (1024 waves total), audio-rate FM/PM, nonlinear oscillator combination modes, chord mode (8 detuned voices), analog wavefolder, 64-band vocoder, echo/delay, percussion mode, and 100-slot preset sequencing/morphing system in 26HP Eurorack format.

4-track programmable gate sequencer with eight internal memory slots, external clocking, various playback options, and a performance-first design aesthetic.

A 4-track programmable gate sequencer with eight internal memory slots, external clocking, per-track parameters, and a performance-first design in a 1U tile format.

An all-in-one audio input/output module bridging a Eurorack system and line-level devices, featuring balanced stereo line output with volume control, balanced stereo line input with gain switches, a headphone output with independent level control and source selection, and a cue output for monitoring or summing with the main output.

Multimode state-variable filter in Intellijel 1U format with dedicated LP and HP outputs, switchable BP/Notch output, optional +6dB input boost and asymmetric clipping, 1V/Oct PITCH CV input, FM CV input with attenuverter, and self-oscillation capable of generating sine waves from 2Hz to 20kHz.

Multi-model stereo reverb with nine reverb models and a built-in SWELL Generator (multi-mode envelope follower), featuring comprehensive per-model controls, LO-FI modifier, FREEZE/REVERSE/BURST momentary FX, and nine CV inputs with attenuverters.

Dual analog ADSR envelope generators with integrated VCAs and a voltage-controlled pulser circuit that links triggering of the two envelopes, allowing delayed one-shots, cycling organic envelopes, and complex gate patterns.

Expander for the Intellijel Tetrapad that adds an OLED display plus extra CV/gate I/O and unlocks advanced operating modes (Voltages, Notes, Combo) for sequencing, quantizing, and performance recording.

A versatile, multi-dimensional, touch-sensitive control surface for Eurorack with four pressure and position sensitive pads, eight flexible outputs, and multiple operating modes for generating CV, gate, and trigger signals.

Two sections where three input signals can be summed into one output, with top normalled to bottom for 6:1 mixing. 2HP form factor, buffered inputs and outputs, phase correct, unity gain.

Analog kick drum synthesizer Eurorack module with eight panel potentiometers, CV/Gate and MIDI control, two internal LFOs, metallic noise generators, and 100 storable presets.

Fully analogue quadrature spectral computer based on the lock-in amplifier concept. Features a pingable variable-bandwidth bandpass filter with self-oscillation, a through-zero sine/cosine quadrature oscillator, a Hilbert transform network, dual ring modulators with output lowpass filters, and an extensive output section including magnitude and phase analogue computing outputs.

Dual analog window comparator with logic section. Two independent comparators detect when an input signal falls within a user-defined voltage window, with complementary gate outputs and a logic section combining both comparator outputs into AND, OR, XOR, and flip-flop signals.

Analogue voltage controlled bidirectional slew limiter and function generator. Can be used as a slew limiter, envelope generator, envelope follower, VC(LF)O, and more. Features separate rise/fall slope control and bending with CV, gate/trigger inputs, loop mode for oscillation, and impedance-compensated outputs.

High-stability triangle-core voltage-controlled oscillator with vari-wave morphing output, 7-position octave switch, fifth transposition switch, dual V/Oct inputs, hard sync, and LFO mode.

A fully analogue bucket brigade delay module with split-phase topology, providing two dry/wet mix outputs. Features an integrated high-frequency clock VCO with V/oct response, feedback loop with polarity switch and damping filter, a dedicated Karplus-Strong pluck input, and HF clock I/O for synchronising multiple units.

Analogue OTA-style 4-pole cascaded lowpass VCF with 8 simultaneous outputs at different phase relationships (LP1–LP4, HP1, BB+N, phase shifter, BP4). At high resonance, self-oscillates as an 8-phase sine wave VCO/VCLFO. Includes simultaneous exponential and linear FM, voltage-controlled resonance, hold feature, and dedicated ping input.

6-stage hybrid series/parallel diode wavefolder in 4 HP, with simultaneous main (series) and alternate (parallel) outputs, voltage-controlled fold and shape parameters, symmetry control for asymmetric folding, and an integrated soft clipper that limits outputs to approximately 10 Vpp.

Through-zero multiphonic signal generator: a precision triangle-core VCO with through-zero linear FM, through-zero phase modulation (900° range), and a harmonics generator separating fundamental, even, and odd harmonic channels for additive-style timbre control. All-analog, 12 HP.

Four-channel linear voltage-controlled modulation array with a master morph parameter that sweeps a triangular amplitude response across all channels; functions as a quad VCA, crossfader, panner, scanner, and more, with normalled inputs and multiple combinational outputs.

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Dual gated precision control voltage processor. Two voltage processors in 6 HP allowing input selection, voltage hold, and gated polariser/attenuverter functions, operating from slow CVs up to audio frequencies.

Sequential tracking/sampling register: an analogue 1-to-8 signal switch feeding eight high-stability track/sample-and-hold stages, each with its own attenuation slider, analogue output, and gate output. Can be configured as a sequencer, sequential switch, counter, analogue shift register, or addressed voltage source.

Performance signal switcher/router for Eurorack. Features four buffered inputs (normalised sequentially), a lower switching section with four dual-action toggle switches (latched up, momentary down), and an upper routing section with two rotary switches plus two dual-action toggle switches. Handles audio, CV, and gates/triggers.

Digitally-controlled full-analog Granular + Multimode VCF with two simultaneous filter flows (Granular VCF and Multimode VCF), each with its own output, plus a Mix output blending both. The granular section reshapes filter response on a per-cycle basis to create subharmonics, harmonies, unison, flanging, and formant effects; the multimode section offers LP2, LP4, HP, BP, BR, and IN modes.

A quad 7-stage envelope generator with presets, cycling, morphing, and a 156-point CV matrix, designed for live performance with two operating modes for full or simplified control.

Analog state variable filter with built-in sequencer

AHDSR envelope generator with hold segment for Eurorack/Doepfer A100 systems, featuring Attack, Hold, Decay, Sustain, and Release segments with jumper-selectable retrigger, self-triggering/looping, and output voltage range options.

Voltage-controlled ADSR envelope generator with retriggering, continuous shape control, and normal/inverted outputs, compatible with Eurorack/Doepfer A100 systems.

Passive dual-input switchable OR/routing module for gate, trigger, and logic signals. A three-position switch selects whether input A, input B, or the diode-OR of both passes to the single output. Not intended for audio use (operates as a half-wave rectifier or maximum-selector in that context).

A passive 4HP DIY utility with six independent toggle switches (levers move up/down) for shorting internal module-setting jumpers from the front panel, using 2-wire jumper cables. No soldering required.

Multi-tap delay line with over a dozen unique feedback paths and multiple filters within those feedback paths, aligned to allow for accumulation of noise, saturation and signal degradation. A collaboration between Make Noise and Alessandro Cortini, sharing origins with Strega's Time/Filter Experiment.

Dual Stereo Low Pass Gate and Mixer with two stereo LPG channels and a three-channel stereo summing mixer. Vactrol-free 100% analog design emulating classic vactrol LPG response.

A unique, modeless, continuously variable stereo algorithmic reverb with complete voltage control. Mono In, Stereo Out, all-analog dry path, 24-bit 48kHz DSP. Co-designed with Tom Erbe of Soundhack.

Single-channel analog function generator in the MATHS family. Generates triggered or continuous voltage functions with VC rise and fall times, variable response curve, cycle mode for LFO use, plus End-of-Rise and End-of-Cycle gate outputs and a Hang input.

A six-channel all-analog signal combiner and distributor with 36 VCAs arranged as a 6×6 matrix. Two macro controls — Rotate (cyclic routing permutation) and Radiate (diffusion into adjacent outputs) — reconfigure up to six input signals across six outputs with smooth crossfading transitions. Useful for waveform blending, gate/clock recombination, effects re-routing, and CV distribution.

The LxD (Low Strike Duo) is a dual-response, two-channel, direct-coupled Low Pass Gate using vactrols for simultaneous amplitude and frequency control. CH1 is 12dB/oct mildly-resonant; CH2 is 6dB/oct non-resonant. CH1 output normalled to CH2 input.

MATHS is an analog computer designed for musical purposes, capable of generating linear, logarithmic, or exponential functions; integrating, attenuating, amplifying, and inverting signals; and performing analog logic (OR, SUM). Functions as envelope generator, LFO, slew limiter, VCO, and more.

The Mimeophon is a stereo, multi-zone color audio repeater module by Make Noise and soundhack, coded by Tom Erbe. It morphs between Karplus, Flange, Chorus, Echo, Looping and everything in between, with full voltage control over time, space and color.

A vactrol-based, Voltage-Controlled Filter and Low Pass Gate using the QMMG core. Bridges Far East and West Coast synthesis styles, allowing for highly-resonant acidic squelch and organic, percussive animations simultaneously. Features smooth voltage-controlled sweep between Low Pass and High Pass responses, voltage-controlled Q factor with AGC, Strike input for LPG-style behavior, and Accent input for X0X-style punch.

A next generation Tape and Microsound music module that uses Reels, Splices, and Genes to create new sounds from those that already exist, informed by Musique Concrète and Microsound techniques.

DSP-based modulation utility that takes a single CV input and produces 8 phase- and speed-spread copies; generates internal LFOs when no signal is patched. Part of Make Noise's New Universal Synthesizer System.

8-channel dual wavetable oscillator for the New Universal Synthesizer System or any Eurorack modular synthesizer. Uses a single set of controls and macro modulation functions to generate eight unique audio waveforms at eight independent channel outputs. Each channel contains two independent wavetable oscillators (Osc A and Osc B).

Two-channel low pass gate using four vactrols for simultaneous voltage control over amplitude and frequency, with DAMP and STRIKE inputs per channel and a summing stage with auxiliary input.

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Eight-channel CV and audio event generator for the New Universal Synthesizer System or any Eurorack modular synthesizer. Uses a single set of controls to generate complex functions at eight independent channel outputs, combining Rise-Fall envelopes with variable Curve and a variable-Shape Oscillation whose amplitude is controlled by the envelopes.

A controller and analog sequencer played by hand. Touching gold-plated copper wire touch plates generates a gate signal, a pressure CV, and three tuned voltages for the activated stage.

Quad Multi-Mode Gate: a four-channel vactrol-based gate/filter with VCA, Low-Pass Gate, Low-Pass Filter, and High-Pass Filter modes per channel, voltage-controlled feedback, direct coupling, normalizations for bandpass and complex filter configurations, and a summed Mix Out.

Quad Peak Animation System — a stereo multimode filter using four state-variable filter cores with Low Pass, High Pass, Band Pass, and Smile Pass outputs simultaneously available, stereo Radiate controls for peak animation, a pre-filter stereo exponential VCA, and !!¡¡ modulation inputs.

Four Channel Stereo Low Pass Gate and Mixer. Vactrol-free analog LPG circuit with Vactrol button for Fast/Slow response, per-channel outputs, stereo sum output with voltage-controllable Xpread, and stereo Aux input for chaining.

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The Make Noise/soundhack Spectraphon is a dual Spectral Oscillator coded by Tom Erbe of soundhack, the first module built by Make Noise on their new digital hardware platform engineered by Jeff Snyder and Tony Rolando. It uses real-time spectral analysis and resynthesis to create new sounds from those that already exist, inspired by spectral processors, additive synthesis, vocoders, and resonators including the Buchla 296 and Touché, in the lineage of the Buchla 259 and Make Noise DPO. Each of the two sides (A and B) operates independently in Spectral Amplitude Modulation (SAM) or Spectral Array Oscillation (SAO) mode.

A 6-channel polyphonic time-shifting module offering human and machine clock programming, preset state storage, and complex clocking arrangements in a modular synthesizer.

Random voltage generator originally designed by Grant Richter of Wiard Synthesizers. An evolution of the Buchla Model 265 Source of Uncertainty lineage, generating correlated stepped, smooth, and woggle CVs plus two audio-rate VCOs, a ring-mod output, a burst gate output, and a clock output — all from one internal chaotic core.

Internally-coupled VCF and VCA based on the Korg MS-10. The VCF uses the Korg-35 filter architecture with discrete transistors (LP/HP switchable via toggle or CV); the VCA uses the MS-10 single-transistor design for characteristic color. Includes a two-channel audio input mixer.

Dual passive low-pass gate with two independent vactrol/opto-coupler channels, each with a -6 dB/oct slope. Fully passive — no power required. A trigger pulse drives the natural decay behaviour of the opto couplers, producing the classic bongo-like envelope response.

Sallen-Key 2-pole resonant lowpass filter with a pure vacuum-tube signal path using a 17JK8 dual triode. Cutoff and resonance are controllable via panel potentiometers and CV inputs. Cutoff CV accepts 0–3 V and roughly follows Hz/V standard.

Analog drum voice — a 1:1 recreation of one channel of the Pearl Syncussion SY-1. Two oscillators feed a voltage-controlled filter and a decay envelope, with six switchable oscillator modes (A–F) spanning tonal toms, metallic FM, vibraphone-like mixes, velocity sweeps, and noise. CV inputs for pitch, decay, filter cutoff, and oscillator-mode selection make one module cover several drum voices.

6HP Eurorack audio color and textural processing effect comprising a chain of five stages in series: Drive, Filter, Tape Saturation, LoFi, and Compressor. CV inputs for the first four effects. Mono audio in and out.

A binary shift-register random looping sequencer that produces clocked stepped randomly changing control voltages. Sequences can be fully random, gradually slipping, or locked into repeating loops of configurable length.

Granular audio processor that creates textures and soundscapes by continuously recording incoming audio into a buffer and replaying layered, transposed, and enveloped fragments (grains) with up to 30 simultaneous replay heads, plus reverb.

Dual multimode filter with CV-controlled overdrive/wavefolding per channel and continuously variable routing between single, parallel, and series configurations.

4-channel voltage-controlled signal polarizer. Each channel is a four-quadrant multiplier acting as a VCA with through-zero (inverting) capability. Outputs are daisy-chained for mixing.

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Dual Bernoulli gate that randomly routes incoming triggers to one of two outputs based on a probability setting, with toggle and latch modes.

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A contact-microphone front-end and envelope follower with built-in piezo mic, high-impedance audio input, amplified audio output, envelope CV output, and gate output.

A quad chiptune audio generator featuring three aliasing-free square/pulse oscillators and one noise/triangle voice, each with gate input, individual output, and an optional built-in step sequencer.

Full-blown modal synthesis voice with three exciter generators (BOW, BLOW, STRIKE) feeding a resonator that models vibrating structures such as plates, strings, bars, tubes, and bowls.

Four-channel voltage-controlled mixer/animator under digital control: the FRAME knob (with CV) scans through up to 20 stored keyframes — snapshots of the four channel gains — and interpolates between them, turning Frames into a macro VCA-bank and a complex modulation source.

Topographic drum sequencer — 3-channel trigger generator that derives rhythmic patterns from a 2D map of drum loops learned from electronic music data, with per-channel density control, CV-controllable X/Y map position, and optional Euclidean sequencer mode.

A 4HP multi-function utility module with three independent sections: a precision inverter and rectifier (SIGN), an analog logic gate pair (LOGIC), and a sample-and-hold with built-in white noise source (S&H).

A 4HP utility module with three sections: a 1-to-3 buffered multiple for clean CV distribution, a 2-input precision adder with two outputs, and a 3-input averaging mixer suited for audio mixing without clipping.

Marbles is all about randomness – generation of random events, or randomization of external CV/Gate signals. The module is organized as three sections: the t section generates and processes clocks and triggers, the X section generates and processes voltages, and the DEJA VU section imposes structure, in the form of repetition, upon all the events generated by the two other sections.

Two-channel, general-purpose trigger processor: translates incoming triggers or gates into envelopes, synchronized periodic modulations (LFO and tap-LFO), or drum signals.

A macro-oscillator with 15 synthesis models spanning virtual-analog, FM, wavetable, additive, granular, modal-resonator and Karplus-Strong string-machine physical modeling, noise, and percussion. Three master controls (HARMONICS, TIMBRE, MORPH) rebind their meaning per model.

A resonator module that transforms an external, unpitched excitation audio signal into a full-bodied pitched sound, implementing modal synthesis, sympathetic strings, and extended Karplus-Strong string resonation.

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A voltage-controlled four-band EQ filter with low-shelf, high-shelf, and two parametric tone controls, all sweepable over the full audio range and CV-modulatable. The parametric sections are realized as state-variable filters with individual LP, BP, and HP outputs.

Segment generator with flexible input/output layout. Each of 6 segments can be independently configured as ramp, hold, or step, and grouped via gate jack detection to form complex multi-segment envelopes, LFOs, step sequences, and more.

Dual voltage-controlled filter and amplifier (VCFA) with multiple dynamics manipulation modes including envelope generation, vactrol emulation, envelope following, and compression.

Digital tidal modulator — a function generator with three ramp modes (AD envelope, looping LFO/VCO, AR envelope), four output modes, and a wide palette of waveshapes with shape, slope, and smoothness controls.

Quad VCA with adjustable response curve and daisy-chained outputs for mixing adjacent channels.

Quad VCA with adjustable response curve (exponential to linear), per-channel positive offset control, and daisy-chained outputs for mixing adjacent channels.

A cross-modulation meta-modulator that blends and combines two audio signals using a variety of algorithms (crossfade, wavefolding, ring modulation, XOR, vocoder, and more), with an internal digital oscillator that can replace the external carrier signal.

MIDI to CV/Gate interface with up to 4 voices of polyphony or 4 independent channels, featuring a 64-step sequencer, arpeggiator, Euclidean pattern generator, and multiple tuning systems.

Dual Analog 18dB resonant filter module inspired by Rob Hordijk's TwinPeak design. Morphs from lowpass to twin-peak bandpass; voltage-controlled resonance, FM, crossfader, and output VCA.

An ADSR-controlled stereo VCA and resonant multimode-filter gate with a bypassable stereo chorus, running on the Versio DSP platform. The Blend control fades between a pure VCA and a VCA/filter combo similar to a traditional lowpass gate, with selectable lowpass, bandpass, and highpass filter modes. The ADSR envelope is fully voltage-controllable with a dynamic curve shaping control.

A parameterized digital drum voice with roots in the analog world, built around a six-oscillator additive and FM synthesizer with waveform, harmonic spread, envelope controls, noise oscillator, and wavefolder. Part of the Alia swappable firmware platform.

Parameterized digital drum synthesizer with roots in the analog world, featuring six oscillators in additive/FM configurations, a noise oscillator, and a wavefolder. Capable of kicks, snares, hats, and more, with an envelope output for modulating other modules.

Stereo-in, stereo-out synthetic tail generator reverb and DSP platform. Less of a room simulator, more of a synthetic tail generator with features for sound design and performance. Runs on the Versio stereo DSP platform; firmware-swappable via USB.

Quad random, highly controllable, quantized-voltage generator and generative CV sequencer. Four-channel random quantized voltage generator with looping, range, key, and scale settings, featuring a built-in quantizer with 27 scales.

Complex digital oscillator with interpretations of three classic synthesis algorithms (VOSIM, summation synthesis, and phase modulation), parameterized by four tone and two pitch controls.

XY step sequencer optimized for live use with four individually editable CV outputs and a trigger out. Steps can be manually programmed or live-recorded via encoder. Supports up to 16 saveable patterns, undo, zero, and shred functions.

Next-generation four-channel CV-sequencing powerhouse with configurable routing, quantization, MIDI, and more. Features four output lanes configurable as modulation CV, pitch CV, triggers, gates, or external CV quantizer; four mappable CV inputs; five mappable trigger inputs; MIDI in/out on TRS type A jacks; and up to 16-step sequences with X/Y navigation.

Resonant low-pass gate with variable filter slope, RC envelope generator, and slew. Sequel to Sinclastic Empulatrix, replacing the clamping VCA with a resonant low-pass VCF and VCA combo.

NonLinearCircuits (NLC) Triple Sloth is an 8HP Eurorack module containing three independent Sloth chaos circuits running at very different rates — Torpor, Apathy, and Inertia — generating slow chaotic CV signals from strange attractor circuits. It provides nine chaos outputs (X, Y, Z per circuit) plus a Difference Rectifier with positive and negative outputs.

Bohm is a stereo dual-voice Eurorack kick set of modules.

Fully discrete 4-pole transistor ladder LPF (based on E-mu Modular 2100) and an all-transistor vintage-style VCA with variable CV response curve, pre-filter saturation, and selectable AC/DC coupling via rear DIP switches.

An 8-tap stereo granular delay for Eurorack, mixing eight delay lines from milliseconds to minutes; supports clock sync, CV control over time, spread, and feedback, and can produce reverb-like, rhythmic glitch, or chaotic textures.

Semi-random melody sequencer/generator that outputs gate and 1V/oct pitch. Eight tunable parameters set the mood of the generated sequence.

Rhythmi is a Eurorack drum sequencer that allows you to dial in your groove, and explore it by evolving the pattern and modulating the energy. It allows for rhythmic inspiration and creativity without the burden of step programming.

8-Voice polyphonic, multitimbral Stereo Eurorack Module with 13 synth engines, MIDI and CV inputs, built-in filter, amp and filter envelopes, reverb, delay, chorus, WAV player, and MPE support.

6HP stereo Eurorack effects module with six stereo effects and two dynamic variations each (FX Scenes), designed for live performance and studio use with one-handed operation and no menu diving.

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All-analog variable response lowpass gate with resonant lowpass filter, VCA, and lowpass gate modes. Uses a Sallen-Key topology for a smooth two-pole filter that self-oscillates at high resonance. Features a tunable dynamics response circuit that replaces the traditional vactrol with a modern analog design.

Experimental time-based audio processor for the eurorack system. Stretches, bends and inverts time through granular synthesis, modified sample playback and tapped delay lines. Intended as a tool for adding synthetic and unnatural ambiance/coloration to synth patches.

An experimental eurorack reverb featuring three original artificial reverberation algorithms (HALL, FRAME, GRAIN) with post-reverb processing via AM, TXT functions, stereo I/O with a mono sum output, and CV control over most parameters.

A macro-oscillator built on the Mutable Instruments Plaits engine, featuring four CLICKKNOBS multifunction encoders for model selection and macro control, eight bicolor LEDs, and 24 synthesis models organized in Green, Red, and Orange banks.

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Circuit bent digital audio buffer inspired by audio equipment failure modes. 96kHz, 24-bit stereo buffer holding over a minute of audio; emulates skipping CDs, software bugs, and defective tape machine playback.

Live granular processor and stochastic event generator. Uses microscopic bits of audio to create sonic landscapes. Features onboard MEMS microphone, configurable Dune CV/Gate output, and is based on the Daisy platform. True stereo audio I/O.

Nautilus is a complex stereo delay network inspired by sub-nautical communications, consisting of 8 unique delay lines with up to 20 seconds of audio each, configurable feedback modes, Chroma coloration effects, and a Sonar CV/Gate output.

Multidimensional stereo signal processor combining a delay line, comb filter, decimator, and state variable filter with freeze/looper capabilities.

A four-output burst generator inspired by pulsars, where triggers are dispersed across four outputs with eight dispersion modes, physics-based gravity and absorb parameters, and configurable pattern distribution including Euclidean, binary, random, and sequential modes.

Cosmic stereo tape looper with click-less looping, 4 loop modes (Sound on Sound, Replace, Frippertronics, Resample), wow/flutter/hiss tape emulation, DSP effects, varispeed, slicing/skipping, and USB import/export via Narwhal web configurator.

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Four analog bandpass filters in parallel, plus a control voltage processor to articulate vowel-like tones from your audio input.

A discrete analog VCO/LFO with stable tuning and wide spectral range, offering sawtooth, pulse, and triangle waveforms with pulse-width modulation, hard sync/reset, linear FM with attenuator, and exponential FM.

A shift-register-based generative module that produces 8 gate outputs and 4 CV outputs (3 staircase, 1 slewed) from clock and data inputs, with an XOR input for linear feedback and compatibility with Turing Machine expanders.

Eight-channel multi-timbral phase modulation sampler with 24-bit A/D and D/A, 32-bit internal processing, per-channel phase modulation of samples by external signals or other samples, 24 assignable CV inputs, and variable sample fidelity control.

Programmable Universal CV Generator with 8-segment function generator, 67 transition shapes, conditional jumps, AutoChain, preset sequencer, and two programmable triggers — inspired by the E-mu Morpheus Function Generators.

MIDI mediator expander for the Rossum Assimil8or sampler; translates MIDI notes, velocity, CC, and program change messages into multichannel modulation and polyphonic triggering for Assimil8or, and can echo Assimil8or CV inputs back out as MIDI CC data.

Stereo Morphing Z-Plane Filter with 289 filter Cubes, each composed of up to 8 complex frequency response configurations interpolated in three dimensions (Frequency, Morph, Transform) via real-time CV control.

Mutating Spectral Resynthesizer that analyzes the spectral content of any audio signal and uses that analysis to drive a bank of from 1 to 33 oscillators, capable of accurately reproducing the input spectrum in real time or modifying it in creative ways.

A touch-controlled distortion unit with a low-pass filter, OTA VCA, distortion section, 8 touch points, voltage control over drive, resonance, and frequency, and a plethora of feedback paths for hands-on performance.

Quadrature sine wave oscillator, state variable filter, and voltage-controlled waveshaping/distortion effect. The SPIN section outputs four phase-related sine waves (0°, 90°, 180°, 270°); the GRIND section compares each phase against an input signal and subtracts the result, producing complex waveshapes or nonlinear feedback filter outputs. All analog OTA-based design.

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Stereo Matrix Expander for the Shaka-8. Adds one additional stereo output column (L/R) to the Shaka-8 matrix. Must be connected to a Shaka-8 via 12-pin ribbon cable; cannot operate independently. Up to 5 units can be chained per Shaka-8.

Voltage-controlled stereo matrix mixer with all-analog signal path; 4 stereo input pairs, 2 stereo output pairs, exponential CV response per crosspoint, expandable via Shaka-4.

Digital noise source-based hi-hat and high-pitched percussion synthesizer with multiple noise algorithms, analog multimode VCF, VCA, distortion, randomizer, 96 preset memory, and Select Bus compatibility.

Compact hybrid synthesizer voice with digital sound engines (Classic, Wavetable, FM) and an analog processing chain (filters, VCA/LPG, distortion), built-in envelope, assignable randomizer, velocity input, and 256 preset memory in 12HP.

Four-channel polyphonic quantizer and harmonizer with integrated keyboard, 8 harmonic progressions, microtuning, arpeggiator, and three assignable inputs and outputs. Memorizes up to 320 scales.

Bass drum synthesizer based on an original design by Marc Nostromo, offering precise control over decay, tuning, depth, click amount, and drive. Features two wave-shaping drive modes, envelope output, 3-pole high-pass filter, gate mode, pitch lock, and store/recall of settings.

Dual stereo filter with independent low-pass and high-pass cutoff frequency controls, shared assignable resonance, Link function for stereo band-pass filtering, and pan CV inputs to differentiate cutoff frequencies per channel. Four -24dB/oct analogue filters total.

A compact dual settable clock divider with two independent dividers, each with its own set of divisions and configurable behavior via rear jumpers.

A capacitive slider that generates CV and gate signals from finger movements along its surface, with loop-recording capability and selectable 5V or 10V output range.

Hermod+ is a polyphonic CV/Gate and MIDI sequencer for Eurorack with 8 CV/Gate tracks, 8 MIDI tracks, 16 patterns per track, 4 CV inputs, 8 CV outputs, and advanced effects and modulation routing.

4-voice sample player and audio processor. Plays .wav files from microSD card organized into kits, with up to 12 layers per voice, per-voice effects (pitch, bits, filter, freeze, drive), master compressor and tape effects, 4 gate inputs, 4 assignable CV inputs, and MIDI input.

Output expander for Hermod+ that adds 32 fully-configurable CV/Gate outputs organized as 8 tracks of 4 outputs each, assignable to pitch, gate, velocity, modulation, aftertouch, clock, or MIDI CC signals.

Experimental synthesizer for metallic and synthetic metal noise using three analog oscillators ring-modulated to two voices, with dual state-variable VCFs, dual envelope generators with voltage-controlled decay, and normalized trigger/output routing.

A dual-core kick drum synthesizer featuring a main frequency resonator core and a character resonator core, with internal FM via ripple, interstage transistor saturation, and a complete dynamics section including auto-compressor, bass drive side-chain filter, gain-distortion, and a limiter.

A dual-core resonant percussion synthesizer voice with independent body and noise sections, multi-mode filtering, wavefolder harmonics, FM decay envelope, VC trigger delay, external input, and a duck output — usable as a specialized synth voice and signal processor.

12dB/octave state variable multi-mode filter in 4HP with simultaneous LP, BP, and HP outputs, voltage-controllable cutoff and resonance, 1V/oct tracking, and a PING input that generates a fast-decay vactrol-like envelope without a vactrol.

Two individual dual peak multi-mode VCFs with dedicated controls for Cutoff, Resonance and Spread. A standard 12db/Oct output with selectable HP/BP/LP called POLE and a Dual Peak output with selectable HP/BP/LP called DIPOLE, per channel.

Stereo four-head tape delay, looper, phrase sampler, spring reverb, clock multiplier/divider, self-oscillator with extensive CV I/O.

Time-warped reverberator with three reverb textures, Karplus-Strong string synthesis, delay/modulation effects, LFO, harmonics (shimmer/glimmer), and filter sections. Extensive CV I/O, stereo in/out, 24-bit 96kHz A/D-D/A, SHARC DSP.

Faithful re-creation of the classic Oberheim SEM 12dB/oct state-variable filter with individual LP, BP, Notch, and HP outputs, a voltage-controlled Morph output, and voltage-controlled resonance. Built from period components including LM301, LM741, RC4558, CA3080-class OTAs, and discrete JFET current buffers.

Discrete OTA voltage-controlled lowpass filter with three simultaneous slope outputs (2-pole/12dB, 3-pole/18dB, 4-pole/24dB), voltage-controlled resonance, and input Drive control. Inspired by SSM2040 topology.

Stereo audio effects processor operating at 24-bit 48kSPS with algorithms including delays, frequency shifts, phasing, flanging, filters, reverberation, looping, sampling and frequency domain manipulation. Features CV control of real-time parameters and a graphic user interface for Eurorack and outboard use.

Dual voltage controlled filter (inspired by the Korg MS-20 OTA filter) with an innovative modulation matrix. Contains two dedicated filter circuits in series: a 12dB/oct low-pass filter and a 6dB/oct high-pass filter, both OTA-based. Features CV control over input gain and resonance, a link switch for band-pass configurations, and a modulation matrix for internal patching.

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Enhanced version of the SSM2040 filter chip, 4-pole low-pass VCF with configurable VCA, VC-FM, VC-resonance, and self-oscillation capability as a pure sine-wave VCO.

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12-band fixed filter bank on the Bark psychoacoustic scale with 6th-order bandpass filters, per-band envelope followers, individual band outputs, and a voltage-controlled mixer with center/width/tilt scanning controls.

Analog dual-VCO complex oscillator in the West Coast tradition. A master oscillator with voltage-controlled waveshaper is paired with a modulation oscillator capable of FM and AM cross-modulation; both oscillators use discrete triangle-core designs with exponential converters.

Discrete all-analog triangle core VCO with outputs for saw, square, triangle and each of the first 8 harmonics, plus a voltage controlled mixer for mixing the harmonics to create evolving timbres.

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Open source and open hardware eurorack step sequencer with 8 tracks, 16 sequences per track, up to 64 steps per sequence, multiple track modes (Note, Curve, MIDI/CV), routing system, Novation Launchpad support, and a flexible clock system.

Analog utilities with creative mixing and patch surveillance. Combines classic analog computing elements including audio mixing, crossfade/pan, logical comparisons, envelope following, wavefolder, and offset. SURVEY provides meta-control over all functions.

Six correlated slope generators with shared parameters, configurable as AR/ASR/ARSR envelopes, LFOs, VCOs, polyrhythmic clocks, and more via mode and range switches plus RUN jack extensions.

Mannequins formant oscillator: a single-oscillator voice whose FORMANT control sweeps a movable spectral peak independent of pitch, with AIR (breath/noise) and BARREL (timbre/body) shaping. Ships with the bundled 2HP PPM expander exposing Impulse/Cycle/Sync behaviours for patch- programmable formant work.

A fully passive, transformer-based signal-level converter that steps Eurorack modular audio down to balanced line level (and back), with two transformer-isolated stereo outputs and isolated ground paths. Transformers by Cinemag, USA.

Mannequins braided signal combiner: a ring of six DC-coupled inputs (plus a seventh ALL input at centre, normalled to all six) scanned by SPOT into the LIGHT/SHADOW foreground stereo pair, with analogue (BBD) delay, a scanner/mixer, master-bus compression, and reverb pulling signals into spatial relationship.

THREE SISTERS links three filters (LOW, CENTRE, HIGH) for building spectral spaces. The three filters can be configured as lowpass, crossover, and highpass (crossover mode) or three bandpass filters (formant mode). Signals can be patched into individual filters or all three simultaneously, and outputs can be taken individually or as a mix.

A tape-based history navigator that records eight hours of audio, plays forward and back at various speeds, loops rhythmically, and provides cue-based sampling, with THIS and THAT inputs controlling speed, cue selection, recording states, and tape-head manipulation.

A powerful and versatile Eurorack sequencer with 8 tracks of CV and Gate outputs, 16-step sequencer per track, controlled chance concept for randomization, pattern/song management, and optional MIDI expansion.

A variable-width bandpass filter with fast and tactile controls. Features an 8-pole filter core (cascaded 4-pole HP and 4-pole LP), independent resonance and self-oscillation per side, feedback circuit, input level VCA, and dry/wet mix for parallel filtering.

4/2-pole state-variable filter with input saturation, output wavefolding, simultaneous 2-pole HP/BP/LP outputs, and a switchable 4-pole output (HP/LP/BP). Includes a ping circuit emulating vactrol response and temperature-compensated V/Oct tracking.

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A dual-layer sample player built specifically for hi-hat and cymbal sounds, blending 9 onboard open/closed sample pairs with 8 banks of 16 memory-card sample pairs, shaped by dedicated filters, release controls, and hi-hat-optimized effects with CV control over key parameters.

Analog/digital hybrid bass drum module combining 909-style analog tone with digital attack layering. Features pitch envelope, 1V/octave tracking, sustain stage, and digital timbre control.

A digitally-synthesized cymbal and curved-plate percussion voice that uses delay-line and digital-filter networks to model a resonant metallic body in real time, with no samples, offering separate exciter and model blocks and positional trigger inputs.

A multi-particle percussion synthesizer applying granular synthesis methods to classic analogue clap circuit concepts, using proprietary micro-samples fired in pseudo-random order with stereo output and built-in reverb.

Digital destruction Eurorack module with CV control over every parameter. Features 252 wave tables for extreme sound manipulation, variable sample rate (CD quality to 280Hz), and bit depth control (8-bit to 1-bit). Includes gain/tone preamp, direct input bypass, and tone enable/disable switch. Fully DC coupled for audio and CV signals.

Physical modeling snare drum module for Eurorack synthesizers featuring 100% digital synthesis with no samples. Creates realistic snare drums by adjusting shell type, size, head tightness, and snare brightness. Includes optional pitch shifter and three distortion modes (clipping, wavefolding, bit reduction).

WMD Performance Mixer: 8-channel live performance mixer with 6 mono channels (12 inputs), 2 true stereo channels, CUE/PFL monitoring, 2 aux sends, stereo send/return, unity gain mix inputs, and dual headphone outputs.

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Fully voltage-controlled quadruple digital low frequency oscillator with four identical channels, free/quadrature/phase/divide sync modes, assignable waveform outputs, zoom mode for precise frequency setting, and reverse power protection.

Four-channel wide-range voltage-controlled LFO with 1V/oct tracking, free/phase/divide/mult sync modes, twelve simultaneous waveform outputs per cycle, and per-channel reset and sync inputs.

Dual peak multimode state variable filter with two analog filter cores, 10 distinct frequency responses, voltage control over resonance and peaks balance, nonlinear feedback and cross-modulation, and adjustable input overdrive. Model of 1976.

Nin is an expander for the Zadar quadruple envelope generator, adding a second set of assignable CV inputs and manual trigger/gate buttons for each of Zadar's four channels.

Additive oscillator synthesizing up to 2560 sinusoidal partials; shapes harmonic/inharmonic spectra via tilt and warped comb response; supports up to 5 detunable unison voices; 0.5Hz to 21kHz frequency range; three signal outputs.

A performance-oriented digital delay station with four independent resampling delay channels, each ranging from 0.5ms to 15 seconds, supporting lossless stacking, linking, sync, buffer freezing, reverse delay, and switchable analog/digital sweep behavior.

Triple summing mixer featuring three signal-adding sections, with the middle one optionally fed to the top and bottom ones. Compact utility module useful in summing multiple stereo and mono sound sources (up to four signals for each section). DC-coupled signal path with soft clipping circuits and color signal level indication.

Dual discrete-core voltage controlled amplifier with overdrive. Each of two independent channels features simultaneous linear and exponential CV inputs, a volume knob ranging from -80 dB to +18 dB, a soft-clip circuit, and a switchable overdrive offering two tube-amplifier distortion responses. DC-coupled signal path supports CV processing.

Stereo, Eurorack-compatible, voltage-controlled multi-effect signal processor based on the Spin Semiconductor FV-1 DSP chip, featuring a full stereo signal path, two adjustable audio inputs, two outputs, a stereo voltage-controlled wet/dry mixer, microSD card slot for loading factory and custom effects, OLED screen, and up to three voltage-controlled parameters per effect program.

Warna II is a voltage distributor utility module with five normalled sections: two 1:4 buffered multiples, two voltage inverters (hardwired to the mults), and a unity-gain 4:1 summing mixer normalled to both multiples. DC-coupled and unity-gain throughout; suitable for CV and audio.

Powerful four-channel envelope, modulation, and transient generator. Synthesizes envelopes from 270 unique vector shapes, time-stretchable from 0.85ms to 30 minutes. Features warp, flip, distort, loop, and chain per channel, plus assignable CV inputs, OLED display, and 18 preset slots.

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