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Dual ADSR 3U

Dual ADSR 3U

Regular price $289.00 CAD
Regular price Sale price $289.00 CAD
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Snappy, classically analog envelopes with visually intuitive controls. Add trigger buttons, cycling and a variety of control voltage outputs—then double it—now you've got the Dual ADSR.

We tend to prefer sliders for our envelope generators because they provide a clear visual representation of the modulation shape. This circuit is based in part on the Roland SH-101 / System 100m design with several enhancements.


  • Manual GATE buttons to trigger the two envelopes

  • Three timing ranges: (FAST: 1 second, MED: 10second, SLOW: 1minute A/D times)

  • Normal and inverted outputs

  • End of Decay (EOD) logic output

  • Cycle mode (which GATE in controls, to allow cycling during held gates)

  • Retrig input (allows re-triggering of the envelope if source gate held high)

  • Dynamic control of the envelope output level.


14 HP
38 mm
60mA @ 12V
49mA @ -12V
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