[sdiy] Who was first - ADSR with 555 timer ???

[Dave Manley]

James Dunn wrote:
> harrybissell at wowway.com wrote:
>> Title says it all. Everyone uses the circuit but what is the
>> earliest documented implementation of it ???

> 
> The Moog Prodigy used a 556 for separate filter and VCA envelopes in 
> 1979...

<nitpicking mode on> The Prodigy doesn't have an ADSR.

-Dave