A voltage controlled ADSR envelope generator from Curtis ElectroMusic Specialities.

from the original data sheet

  • low cost
  • third generation design
  • large time control range: 50 000 min
  • full ADSR response
  • true RC envelope shape
  • expectionally low control voltage feedtrough: 90uV max.
  • accurate exponential time control scales
  • isolated control inputs
  • good repeatability and tracking between units without external trim
  • independent gate and trigger
  • 15± volt supplies

    Synthesizers using the chip:
    with the amount used

    Bananna Poly Synth                   12
    Crumar Trilogy                       6
    Moog MemoryMoog                      12
    Moog MemoryMoog+                     12
    Oberheim OB-1                        2
    Oberheim OB-8                        16
    Oberheim OB-SX                       ?
    Oberheim OB-Xa                       ?
    PAiA Proteus                         1
    Sequential Circuits Prophet-5 rev.3  10
    Sequential Circuits Prophet-10       20
    Sequential Circuits PRO-1            2
    Synton Synrix                        2
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