Based on the Roland System 100M 140 ADSR. ‘The snappiest ADSR in the world”. Layout includes spacing for either 9mm or 16mm pots, as well as the addition of a status LED.
The accompanying 4HP panel is specifically designed for Alpha 9mm pots.
System X Envelope PCB: £12 GBP
System X Envelope panel (4HP): £12 GBP (takes 9mm pots only)
Build documentation: System X Envelope Ver2 Build Doc
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