Precision Adder

A = X + Y + offset
B = X - Y - offset

offset = ±10V in 1V steps derived from Z

Knob recorder enabled

Four Quadrant Multiplier

A = X * Y * scale
B = -X * Y * scale

scale = 1/10 to 10x in steps derived from Z

Knob recorder enabled

Full-wave Rectifier

A = abs( X + Y ) or abs( X )
B = abs( X - Y ) or abs( Y )

Z selects mode

Minimum / maximum

A = min( X, Y )
B = max( X, Y )

Z is gate

Linear / Exponential Converter

A = ( 2 ^ X ) * scale
B = log2( Y / scale )

Z is Hz/V scale, centred on 1kHz

Quantizer

A = quantized( X )
B = trigger on note change

Z chooses scale & function of Y
Y = transpose (Z positive) or trigger (Z negative)

Comparator

A = gate from X > Y
B = inverted gate

Z is hysteresis

Dual Waveshaper

A = folded X
B = triangle-to-sine Y

Z is gain

Knob recorder enabled

Sample and Hold

A = X when Y exceeds 1V
B = noise ±8V

Z is slew rate

Slew Rate Limiter

A = linear slew rate limited ( X + Y )
B = log slew rate limited ( X + Y )

Z is slew rate

Pitch and Envelope Tracker

A = V/octave pitch derived from X, plus Y
B = envelope dervied from X

Z is slew rate for envelope

Clockable Delay / Echo

X is signal
Y is clock input

Z is feedback

A = dry + delay in ratio according to feedback
B = delay signal only

Tap tempo enabled

LFO

X is Hz/V frequency
Y is waveshape

Z is tune

A is saw ⏵ sine ⏵ triangle
B is pulse ⏵ square ⏵ pulse

Clockable LFO

X is clock input
Y is waveshape

Z is integer multiplier / divider

A is saw ⏵ sine ⏵ triangle
B is pulse ⏵ square ⏵ pulse

Tap tempo enabled

VCO with linear FM

X is V/Oct pitch input
Y is linear FM input

Z is tune ±0.5 octaves

A is sine
B is saw

VCO with waveshaping

X is V/Oct pitch input
Y is waveshape / PWM

Z is tune ±0.5 octaves

A is saw ⏵ tri ⏵ saw
B is pulse ⏵ square ⏵ pulse

Precision Adder (fractional offsets)

A = X + Y + offset
B = X - Y - offset

offset in steps derived from Z

Voltage Controlled Delay Line

X is audio input
Y is delay time

Z is feedback (bipolar)

A is delay output
B is delay output plus input signal

Clockable Ping Pong Delay (Z feedback)

X is audio input
Y is clock

Z is feedback

A is left output
B is right output

Tap tempo enabled

Clockable Ping Pong Delay (Z input pan)

X is audio input
Y is clock

Z is input pan

A is left output
B is right output

Tap tempo enabled

Resonator

X is audio input
Y is centre frequency (pitch)

Z is gain
Z press is 'strike'

A is audio output
B is envelope of audio output

Vocoder

X is modulator input
Y is carrier input

Z sets the decay time

A is audio output
B is envelope output

Phaser

X is audio input
Y is sweep

Z is feedback (bipolar)

A is phase-shifted output plus input signal
B is phase-shifted output

Bit Crusher

X is signal input
Y is sample rate input

Z sets bit reduction

A is signal output
B is comparator output

Tape Delay

X is audio input
Y is tape speed

Z is feedback

A = dry + delay in ratio according to feedback
B = delay signal only

Waveform Animator

X is audio input
Y is threshold

Z is separation

A = animated output
B = square waves output

State Variable Filter

X is audio input
Y is filter frequency

Z is filter type

A is filter output LP ⏵ BP ⏵ HP
B is filter output HP ⏵ BP ⏵ LP

LP / HP Filter

X is audio input
Y is filter frequency

Z is filter resonance

A is low pass filter output
B is high pass filter output

LP / BP Filter

X is audio input
Y is filter frequency

Z is filter resonance

A is low pass filter output
B is band pass filter output

BP / HP Filter

X is audio input
Y is filter frequency

Z is filter resonance

A is band pass filter output
B is high pass filter output

BP / Notch Filter

X is audio input
Y is filter frequency

Z is filter resonance

A is band pass filter output
B is notch filter output

AR Envelope

X is trigger input
Y is trigger input

Z sets the envelope times

A is envelope output
B is envelope output

AR Envelope (with push)

X is trigger input
Y is trigger input

Z sets the envelope times

A is envelope output
B is envelope output

AR Envelope & VCA

X is trigger input
Y is VCA input

Z sets the envelope times

A is envelope output
B is VCA output

AR Envelope & VCA (with push)

X is trigger input
Y is VCA input

Z sets the envelope times

A is envelope output
B is VCA output

Press Z to trigger

Dual AR Envelope

X is trigger input A
Y is trigger input B

Z sets the envelope times

A is envelope output A
B is envelope output B

Dual AR Envelope (with push)

X is trigger input A
Y is trigger input B

Z sets the envelope times

A is envelope output A
B is envelope output B

Euro to Buchla Converter

X is 1V/octave input
Y is gate input

Z is tune ±0.5 octaves

A is 1.2V/octave output
B is gate / trigger output

Buchla to Euro Converter

X is 1.2V/octave input
Y is gate / trigger input

Z is tune ±0.5 octaves

A is 1V/octave output
B is trigger output

Clockable AD Envelope (with mute)

X is clock input
Y is mute input

Z sets the envelope shape

A is envelope output
B is envelope output

Tap tempo enabled

Clockable AD Envelope (with gate)

X is clock input
Y is gate input

Z sets the envelope shape

A is envelope output
B is envelope output

Tap tempo enabled

Clockable AD Envelope (with trigger)

X is clock input
Y is trigger input

Z sets the envelope shape

A is envelope output
B is envelope output

Tap tempo enabled

Clockable AD Envelope & VCA

X is clock input
Y is VCA input

Z sets the envelope shape

A is envelope output
B is VCA output

Tap tempo enabled

Shift Register Random CVs

X is clock input
Y is modify input

Z sets the randomness

A is unipolar output
B is bipolar output

Shift Register Random Quantized CVs

X is clock input
Y is modify input

Z sets the randomness

A is quantized CV output
B is trigger output

Shift Register Random Triggers

X is clock input
Y is modify input

Z sets the randomness

A is trigger output
B is inverse trigger output

Press Z to modify sequence

Shift Register Random Dual Triggers

X is clock input
Y is modify input

Z sets the randomness

A is trigger output A
B is trigger output B

ES-1 Emulation

X is input 1
Y is input 2

Z is trim

A is output 1
B is output 2

ES-2 Emulation

X is input 1
Y is input 2

Z is trim

A is output 1
B is output 2

Dual Quantizer (Z scale)

A = quantized( X )
B = quantized( Y )

Z chooses scale

Dual Quantizer

A = quantized( X )
B = quantized( Y )

Z is trigger

Dual Delayed Pulse Generator

A is pulse triggered by X
B is pulse triggered by Y

Z function depends on parameter settting

Noise

A is noise, optionally scaled by X
B is noise, optionally scaled by Y

Z is blend

Crossfade/Pan

A = Mix of X & Y according to Z
B = Inverted mix of X & Y according to Z

Knob recorder enabled

Dual Sample and Hold

A = X when Z exceeds 1V
B = Y when Z exceeds 1V

Dual Euclidean Patterns

A is pattern 1 out
B is pattern 2 out

Z sets the 'pulses' for pattern 2

X is clock input
Y is reset input

Audio Playback

X is retrigger CV
Y is start position CV

Z selects the sample

A is left audio output
B is right audio output

Audio Playback with V/Oct

X is retrigger CV
Y is V/octave pitch CV

Z selects the sample

A is left audio output
B is right audio output

Audio Playback with Z Speed

X is retrigger CV
Y is start position CV

Z sets the playback speed

A is left audio output
B is right audio output

MIDI File Playback (Clocked)

X is clock
Y is retrigger CV

Z selects the MIDI file

A is pitch CV output
B is gate output

MIDI File Playback (Free Running)

X is V/octave speed CV
Y is retrigger CV

Z sets the playback speed

A is pitch CV output
B is gate output

Audio Playback with End CV

X is retrigger or end position CV
Y is start position CV

Z is end position or retrigger CV

A is left audio output
B is right audio output

Clocked Audio Playback

X is retrigger CV
Y is clock

Z selects the sample

A is left audio output
B is right audio output

Audio Recorder

X is left audio input
Y is right audio input

Z controls recording

A is left audio output
B is right audio output

Wavetable VCO

X is V/Oct pitch input
Y is wavetable input

Z is tune ±0.5 octaves

A is wavetable output
B is sub-octave square output

Stereo Reverb

X is left input
Y is right input

Z is wet / dry

A is left output
B is right output

Mono-to-Stereo Reverb

X is audio input
Y is feedback CV

Z is wet / dry

A is left output
B is right output

Dual Reverb

A is X plus reverb
B is Y plus reverb

Z is wet / dry

Stereo Chorus

X is audio input
Y is LFO rate

Z is wet / dry

A is left output
B is right output

Mono Chorus

X is audio input
Y is LFO rate

Z is wet / dry

A is blended output
B is wet output