steady-state-fate/entity-ultra-perc
Entity Ultra-Perc
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.1105
Capabilities 4
- Drum Voicedrum-voice
- Dual resonant core body generator plus independent noise section with dedicated envelopes, producing a full percussion synthesizer voice capable of kick, snare, tom, hi-hat, clap, snap, and tuned bass/lead sounds.1105
- Noise Generatornoise-generator
- Analog noise generator fed into a single-pole LP/HP VCF with independent VCA, trigger, decay envelope, and bias control; can also be routed into BODY resonators (BODY mode).1105
- Random Sourcerandom-source
- 1105
- Vcfvcf
- Single-pole LP/HP VCF on the noise path; dual-core multi-mode resonant filter on the body path with LO/MID/HI spectral modes; can process external signals as a twin-peak resonant VCF.1105
Jacks 13 (11 in / 2 out)
| Name | Signal | Voltage | Description |
|---|---|---|---|
| Inputs (11) | |||
| DELAY CV | cv | 0V to 5V | CV input for the TRIG DELAY parameter; the TRIG DELAY knob acts as an attenuator when this input is in use. Negative voltage skips BODY triggers.1105 |
| DETUNE CV | mixed | — | CV input for the DETUNE parameter; accepts CV or audio-rate modulation for FM effects.1105 |
| EXT IN | mixed | — | External audio or trigger input that routes through the BODY signal path (resonators, wavefolder, VCA); can expand percussion palette or turn the module into a twin-peak resonant VCF/wavefolder processor.1105 |
| GAIN CV | cv | — | CV input for the BODY output VCA; BODY BIAS offsets this signal. Used to control resonance and sustain when processing external signals.1105 |
| HARM CV | cv | 0V to 10V | CV input for the HARMONICS wavefolder parameter; responds only to positive voltages (0–10V range).1105 |
| N-DECAY CV | cv | — | CV input for noise VCA envelope decay time; accepts any CV range.1105 |
| N-FREQ CV | cv | — | Linear CV input for the NOISE VCF cutoff frequency; accepts any CV range, effective modulation upper-limited to a few kHz.1105 |
| N-TRIG | trigger | — | Dedicated trigger input for the noise section's VCA envelope, independent of the main TRIG. Normalled from TRIG when nothing is patched.1105 |
| N-VCA CV | cv | — | Direct CV control of the noise VCA level, separate from the triggered envelope path. Accepts negative voltages, which duck all noise elements.1105 |
| TRIG | trigger | ≥0V | Main trigger input that activates both the BODY and NOISE sections (NOISE via N-TRIG normal). Accepts any positive signal transitioning between 0 and at least 1.5V; a conditioning circuit produces the proper amplitude and duration internally.1105 |
| V/OCT | cv | — | Volt-per-octave pitch CV input that scales and modulates the BODY frequency; reliably tracks 4–5 octaves.1105 |
| Outputs (2) | |||
| DUCK | cv | — | Inverted and positively-offset body VCA envelope output used to duck external VCAs; depth varies with LENGTH and BODY BIAS settings.1105 |
| OUT | audio | ≥0V | Main audio output carrying the sum of BODY and NOISE signals.1105 |
Parameters 13
| Name | Type | Range | Behavior |
|---|---|---|---|
| BODY BIAS | knob | — | Adjusts the gain and sustain of the BODY output VCA envelope; above center emphasizes bass sustain, below center gives a more staccato high-passed effect. Also offsets CV applied to GAIN CV input.1105 |
| BODY DECAY | knob | — | Sets the decay time of the FM envelope that modulates the BODY pitch. Works in conjunction with FM DEPTH to shape the pitch sweep of the body sound.1105 |
| DETUNE | knob | -2.5octave – 0octave | Sets the frequency offset of the secondary resonator core relative to the primary, from unison (fully CW) to approximately 2.5 octaves lower (fully CCW). CV-controllable with audio-rate modulation possible.1105 |
| DETUNE FILTER MODE | switch | — | Selects one of three multi-mode filter responses (LO, MID, HI) for spectral emphasis of the dual-core resonators; also affects the HARMONICS section response.1105 |
| FM DEPTH | knob | — | Bipolar attenuator setting how much the BODY DECAY envelope frequency-modulates the body pitch; center position (0) is full attenuation; CCW is negative FM, CW is positive FM.1105 |
| HARMONICS | knob | — | Folds the resonator output to add harmonic content and distortion. Minimum gives clean tones; a small increase adds gain for punch in LO mode. Response is influenced by DETUNE position and DETUNE FILTER MODE.1105 |
| LENGTH | knob | — | Sets the duration and resonant decay of the BODY transient from very short clicks at minimum to long sustained tones at maximum; also controls resonance applied to external signals when EXT IN is used.1105 |
| MASTER TUNE | knob | 25Hz – 800Hz | Sets the base pitch frequency for both resonator cores; synchronously tunes both. Extended range available via V/OCT input.1105 |
| NOISE BIAS | knob | — | Controls the level and sustain of the noise VCA envelope; minimum fully attenuates noise, center is nominal. Should be adjusted together with NOISE DECAY.1105 |
| NOISE DECAY | knob | — | Sets the decay time of the noise VCA envelope. Works in concert with NOISE BIAS to shape noise impact and tail.1105 |
| NOISE FILTER MODE | switch | — | Three-position switch selecting LP, HP, or BODY routing for the noise VCF. In BODY mode the LP-filtered noise feeds into the BODY resonators, enabling resonant noise sounds and clap/snap patches.1105 |
| NOISE FREQ | knob | — | Sets the cutoff frequency of the noise VCF; tracks MASTER TUNE and V/OCT for noise-to-pitch following. Headroom allows offset to minimize tracking effect.1105 |
| TRIG DELAY | knob | ≤75ms | Delays the trigger to the BODY sound by up to 75ms; acts as an attenuator when DELAY CV is patched. Negative DELAY CV skips BODY triggers. Only affects BODY timing — noise trigger is unaffected.1105 |
Firmware history 0 versions
No firmware history recorded.
References 2
- [1105]
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[1106]
Steady State Fate Entity Ultra-Perc product pageproduct_page● verified 2026-06-03