Dual VC ADSR - 22HP

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Item: N13-4584

Availability: In stock



Dual VC ADSR - 22HP


Analogue constant slope dual VC ADSR. The circuit is based on Envylope schematic by Aaron Cram. The circuit is completely analog, no timers, logic chips etc., only transistors and opamps.


  • Two identical ADSR generators
  • Attack range 0.1ms - 10s
  • Decay and Release ranges 0.5ms - 20s
  • Constant slope action
  • 4 state leds show each step of the ADSR
  • Linear or exponential slopes with separate switches for attack and decay/release
  • Voltage control on each stage and output amplitude
  • Sustain gate output produces gates during sustain time
  • Trigger input resets the envelope

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  • 77 mA +12V
  • 77 mA -12V
  • 0 mA 5V
  • 26 mm Depth

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