Available as an assembled Module and as a DIY project.
This Module is currently available.
Triple AD/AR envelope generator with normalled triggering
These are AR or AD generators that will fire on a trigger or a gate, giving envelopes up to approx 25 seconds. A single gate to input 1 will fire all 3 envelopes, when nothing is plugged into inputs 2 & 3
2 Users are observing this
These merchants probably sell this module. Huh?
Nonlinearcircuits Triad