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Setting up your Dual EnvVCA
1. Power off your Eurorack system.
2. On the back of the Dual EnvVCA you will see a 10-pin header. The 10-pin
header connects to a Eurorack power header using the included power
cable. Connect the 16-pin end of the power cable to a 16-pin Eurorack
power header on your power supply distribution board and the 10-pin end to
the Dual EnvVCA with the red stripe on the power cable oriented towards
the bottom of the module.
3. Using the included screws, securely attach the Dual EnvVCA to the rails of
your case.
4. Power on your Eurorack system.
Note: The Dual EnvVCA is reverse-polarity protected, but incorrectly connecting any module in any
system can damage other modules on the power bus.
Controls and Jacks
Cycle
Slow
Fast
A
Rise
Fall
Slow
Med
Fast
Rise
Fall
Cycle Buttons and Cycle Jack
The Cycle buttons toggle the cycling state for each channel. When cycling,
the Dual EnvVCA behaves like an LFO, with an output waveform that
continuously rises and falls. Each button illuminates orange to indicate the
module is cycling. Note that pressing this button does not reset or alter an
envelope that's already rising or falling.
The Cycle jack toggles the cycle state of both channels. If a Cycle button is
off, a gate signal will turn the button on and make the channel cycle for as
long as the gate is held high. If a Cycle button is on, then a gate signal will
turn the button off and cease any cycling for as long as the gate is held high.
See Cycle Button/Jack on page 13 for more information.
Rise/Fall Sliders
The Rise and Fall sliders control the rise and fall times of the envelope.
Shifting a slider up makes the rise or fall portion slower, shifting down makes
it faster.
Each slider has a white light that indicates the current stage and output
voltage of the envelope. When the envelope is in the rise stage, the Rise
slider light will increase in brightness until the envelope hits its maximum.
Once the peak is reached, the Rise light will turn off and the Fall light will turn
on, decreasing in brightness as the envelope falls.
Rise/Fall Switches
The Rise/Fall switches select the overall range of the sliders. Each slider has
its own switch with three positions: Fast, Med, Slow.
When the switch is flipped to Fast, the envelopes go well into the audio
range, allowing for classic AM, FM, and other fast modulation effects.
The middle position (Med) is designed for typical musical tempos, and can be
useful when using the VCA to make notes at common BPMs.
The Slow position is geared for gradual fades and other slow LFO-style
modulations.
See the Rise and Fall Time Ranges chart on page 6 for more information.
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