Name: 4ms - Dual EnvVCA
Brand: 4ms
Price: 225.00 USD

Eurorack [3U]

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4ms - Dual EnvVCA

The Dual EnvVCA is a two-channel analog linear envelope generator with two fully independent low-noise exponential VCAs. With time ranges... Read more Read more

Description

The Dual EnvVCA is a two-channel analog linear envelope generator with two fully independent low-noise exponential VCAs. With time ranges from 30 minutes to 8kHz, it can be used as an LFO, slew limiter, ASR/ADSR complex EG, audio-rate oscillator, stereo audio/CV VCA, envelope follower, sidechain processor, and general utility module. The outputs can be attenuated, inverted, and offset without disrupting the VCA, making it a versatile modulation source.

100% analog

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 to ~5 min.
Time CV jack extends time range: ~125µs (8kHz) to ~30 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

The Dual EnvVCA is essentially a Shaped Dual EnvVCA without the waveshaping abilities, ASR trigger mode, or extra 5V envelope outputs.

Dual EnvVCA

16HP Eurorack format module
- 0.95” (24mm) maximum depth (includes power cable)
- 10-pin Eurorack power header
Power consumption
- +12V: 156mA
- -12V: 131mA
Audio/VCA
- 100k input impedance, 1k output impedance, DC-coupled
- VCA gain range: -90dB to +0.9dB
- DC to 20kHz, +/-0.1dB
- VCA response to CV: exponential
Envelope Times
- Minimum rise or fall time: ~62us per segment (8kHz max frequency)
- Maximum rise time: >10 minutes (typically > 13 minutes)
- Maximum fall time: >20 minutes (typically > 40 minutes)
Jacks:
- Env jack: Min = -10.2V, Max = +10.1V , maximum amplitude 9.3Vpp
- Trigger jack: rising edge threshold = 2.5V
- Cycle jack: rising edge threshold = 2.5V
- Follow jack: active range = 0V to +5V
- EO* jacks:
  - EOR (channel A): <80mV low to >4.50V high gate output
  - EOF (channel B): <80mV low to >4.95V high gate output
  - Minimum stable pulse width: 1ms. Shorter than this may produce extra 50µs pulses
- Audio In/Out jacks: -10V to +10V maximum range without clipping

$225.00Excl. VAT

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Eurorack [3U]

4ms - Dual EnvVCA

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