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ATTACK

HOLD

DECAY

SUSTAIN

RELEASE

QUAD ENVELOPE

GATE IN

F   S   T

CLEAR GATE LOOP

RECORD

FOR
REV
PEN
RAN

QUAD ENVELOPE QUICKSTART GUIDE

CLK IN: 

An external CLOCK INPUT is required for the 

automated sequencer to run. Clock is also 

received from a Varigate 8+ or 4+ if connected to 

the same busboard.

ENVELOPE OUTPUT CHANNELS 1-4: 

Connect your patch cables from these outputs to 

other module CV inputs to modulate them with 

the QUAD ENVELOPE. There are a total of 4 

individual envelope/outputs.

RESET: 

Gate input for resetting the sequencer to 

step 1.

GATE INPUTS:

 

Each envelope can be re-triggered/restarted with 

an individual gate (or cycle without a gate input).  

FORWARD/REVERSE/PENDULUM/

RANDOM SWITCH: 

Switch to change the direction of the automated 

sequencer. 

LED BAR GRAPH: 

Displays the sequence direction as well as 

sequencer/step position. 

ENV PARAMETER SLIDERS: 

Each of the 4 envelopes include their own set of 

parameters that can be adjusted with the sliders. 

Select envelope buttons 1-4 and then move the 

sliders to adjust ATTACK, HOLD, DECAY, SUSTAIN 

and RELEASE per envelope.

ATTACK:

 Sets the time it takes for an envelope to 

reach peak level.

HOLD:

 Holds the voltage at its maximum value 

after the attack is done rising and before the 

decay starts falling, per envelope. 

DECAY:

 Sets the amount of decay time to sustain 

level per envelope.

SUSTAIN:

 Sets the level of sustain per envelope.

RELEASE:

 Sets the time it takes for the envelope 

to reach zero level per envelope.

 

ENVELOPE 1-4 CHANNEL SELECT BUTTONS:

To select an envelope for parameter editing, 

press one of these buttons.

RECORD:

To record parameter automation to a sequence 

for an envelope, hold the RECORD button while 

you move the sliders. Once you’ve recorded 

automation for a given parameter the LED on 

that slider will be lit. 

FAST/SLOW/TEMPO: 

Set each envelope to FAST, SLOW, TEMPO. 

Quad Envelope will receive tempo data via 

busboard clock as well as from clock input.

GATE MODE:

To enter GATE mode, select an envelope button 

1-4 and then the GATE button. This mode will 

play a standard AHDSR envelope when a trigger 

or gate input is patched.

LOOP MODE:

To enter LOOP mode, select an envelope button 

1-4 and then the LOOP button. LOOP mode will 

loop envelopes without a trigger or gate. The 

AHSDR settings determine the speed of the 

loop.

GATE/LOOP MODE:

To enter GATE/LOOP mode, select an envelope 

button 1-4 and then the GATE and LOOP button. 

GATE/LOOP mode loops envelopes only when a 

gate is received.

CLEAR:

Holding CLEAR while moving sliders will clear 

existing  automation  recording  for  that  specific 

control. Holding CLEAR while pressing a channel 

select button will clear all automation for that 

channel.

LINK MODE: 

You can link envelope channels 2-4 to channel 1 

by holding down channel button 1 while

selecting 2-4. You will now see that when you 

press the channel 1 button, the buttons for the 

other channels that are linked will also be lit.   

Quad Envelope includes 4 individual AHDSR envelope generators with individual outputs as well as a 16-step automation sequencer per channel. 

Hold the RECORD button and move the sliders for Attack, Hold, Decay, Sustain and Release to animate each of these settings for a given channel. 

Autosave in stand-alone mode, or save up to 16 presets of these settings using Varigate 4+ or up to 100 presets using Varigate 8+.

You can set each envelope to either Trigger, Gate, Loop or Gate/Loop. You can also set each individual envelope to either Fast, Slow or Tempo synced 

modes. Each automation sequencer can be set to either Forward, Reverse, Pendulum or Random. 

The Quad Envelope allows for a multitude of dynamic possibilities for live performance and recording.

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