This Module is currently available.
4-Stage Envelope Generator
ADSR (4-stage) envelope generator with separate trigger and gate inputs, range switch and manual trigger button (Local).
Slow Mode:
Attack: 0-14 sec
Decay / Release: 0-38 sec
Fast Mode:
Attack: 0-1 sec
Decay / Release: 0-10 sec
These merchants probably sell this module. Huh?
2hp ADSR
2hp ADSR - Black
2hp ADSR
Pittsburgh Modular ADSR Envelope Module
2hp ADSR
2hp ADSR