vcf

Entries 55 ingested · 61 catalog total

• LPF 2hp current 2 HP

  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.

• MMF 2hp current 2 HP

  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.

• Popple Stereo VCF After Later Audio current
• FFB 914 Fixed Filter Bank AJH Synth current 30 HP

  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.

• Gemini 2412 SVF AJH Synth current 28 HP

  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.

• MiniMod Transistor Ladder Filter AJH Synth current 14 HP

  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.

• RS-110 Dual Bus Multimode Filter Analogue Systems current
• Cinnamon Bastl Instruments current 5 HP

  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.

• Ikarie Bastl Instruments current 8 HP

  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.

• BF-22 Befaco current 17 HP

  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.

• Pony VCF Befaco current 6 HP

  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.

• 1047 Multimode Filter/Resonator Behringer current 16 HP

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

• 110 VCO/VCF/VCA Behringer current 16 HP

  Legendary Analog VCO/VCF/VCA Module for Eurorack

• 121 Dual VCF Behringer current

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

• Totem Pole Mixing Multimode VCF Caveman Modules current
• A-102 Diode Low Pass Filter Doepfer current 8 HP

  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.

• A-103 18dB Low Pass Filter (TB-303) Doepfer current 8 HP

  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.

• A-104 Trautonium Formant Filter Doepfer current 20 HP

  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.

• A-105-2 24dB SSI Low Pass Filter Doepfer current 4 HP

  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.

• A-106-5 12dB SEM Filter Doepfer current 8 HP

  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.

• A-108 6/12/24/48dB Low Pass Filter Doepfer current 12 HP

  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.

• A-111-6 Miniature Synthesizer Voice Doepfer current 10 HP

  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-120 24dB Low Pass 1 Doepfer current 8 HP

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

• A-121-2 12dB Multimode Filter II Doepfer current 8 HP

  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.

• A-121-3 12dB Multimode Filter (Slim Line) Doepfer current 4 HP

  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.

• A-121d Dual Multimode Filter Doepfer current 8 HP

  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.

• A-121s Stereo Multimode Filter Doepfer current 12 HP

  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.

• A-124 Wasp Filter Doepfer current 8 HP

  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.

• Black Multimode VCF Erica Synths current 10 HP

  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.

• Black Polivoks VCF V2 Erica Synths current 10 HP

  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.

• Graphic Resonant Filterbank Erica Synths current
• Pico VCF1 Erica Synths current 3 HP

  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.

• Polivoks VCF 2013 Industrial Music Electronics discontinued
• Morgasmatron Intellijel current 20 HP

  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.

• Polaris Intellijel current 10 HP

  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.

• SVF 1U Intellijel current 20 HP

  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.

• Grainity Klavis current 10 HP

  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.

• SVF-201 Analog State Variable Filter KOMA Elektronik current

  Analog state variable filter with built-in sequencer

• QPAS Make Noise current 18 HP

  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.

• MA35 VCF/A Manhattan Analog current 12 HP

  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.

• RK6 Resonant Lowpass Filter Metasonix current 8 HP

  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.

• Ripples (original) Mutable Instruments discontinued 8 HP
• FURIA Olivella Modular current 8 HP

  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.

• Grendel Formant Filter v2.2 Rare Waves current

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

• Morpheus Rossum Electro-Music current 18 HP

  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.

• MMF Steady State Fate discontinued 4 HP

  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.

• Stereo Dipole Steady State Fate current 20 HP

  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.

• E430 Morphing SVF Synthesis Technology current 18 HP

  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.

• Steve's MS-22 Dual VCF ThreeTom Modular current 4 HP

  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.

• Buchla Multi-Band VC-Resonator Tiptop Audio current
• Z2040 4-pole VCF Tiptop Audio current 8 HP

  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.

• Aperture WMD current 12 HP

  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.

• C4RBN WMD current 4 HP

  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.

• BELGRAD Xaoc Devices current 14 HP

  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.

• ZAGRZEB Xaoc Devices current 8 HP
• Vowel ↗ 2hp current
• Black Filterbank ↗ Flame current
• VCF-02 ↗ Schippmann Electronics current
• E490 Ladder VCF ↗ Synthesis Technology current
• ∑42 ↗ Vermona current
• twinVCFilter ↗ Vermona current