4ms EnvVCA User Manual

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4ms EnvVCA User Manual
The Dual EnvVCA is a dual analog envelope generator, slew limiter, and VCA. Each of the two
channels are identical and can be used separately or together.
Dual EnvVCA features:
• Versatile linear envelope generator/LFO
• Low-noise, low-distortion, DC-coupled exponential VCAs
• 100% analog
• Sliders and Range switches control Rise and Fall times from ~1.25ms (800Hz) to > 2 min.
• Time CV jack extends time range: ~125µs (8kHz) to ~10 min.
• Independent attenuverters for Rise and Fall time
• Blue/Red LEDs indicate strength and polarity
• Cycle buttons for looping envelopes (LFO)
• Trigger input jacks fire a one-shot envelope
• Cycle gate input jack toggles cycling for both channels
• EOR/F (End of Rise/Fall) gate outputs can be used to chain and sequence events
• Env Level and Offset knobs scale and shift Env Out without changing VCA volume
• Audio In and Out jacks for passing audio or CV through the VCA
• VCA CV inputs to use VCAs independently from the envelopes
VCA gain internally connected to envelope output when VCA CV jack is left unpatched
•
• Follow input jacks allow for slew limiting, sustain (ASR), and exotic filtering effects
• Re-trig jumpers allow for re-triggering during rise phase
Dual EnvVCA
4ms Company
User Manual 1.0 – October 31, 2022
Slow
Med
Fast
Rise
Fall
Slow
Level
Fast
A
Rise
Fall
Offset
Time CV
Rise
Fall
Trigger
EOR
Follow
In
Out
A
VCA CV
Audio A
Dual EnvVCA
Slow
Cycle
Med
Fast
Rise
Fall
Slow
Level
ENV
OUT
Fast
B
Rise
Fall
Offset
Time CV
Rise
Fall
Trigger
EOF
Follow
A
Out
OR
B
VCA CV
Env
Out
Audio B
In