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): 4.50V high gate output EOF (channel B): 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
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