[sdiy] questions on string synthesizers

[Michael E Caloroso]

> The one thing I haven't been able to fully understand is how they did fully polyphonic
> A/R envelopes.  I've been meaning to have a look at some schematics at some stage
> but haven't gotten around to it yet.

The brute force way - independent RC network per key.  Look at ARP
Omnis, which are infamous for fried tantalum caps on each key's A/R
envelope.

MC

On 2/19/17, Adam Inglis <21pointy at tpg.com.au> wrote:
>
>> On 20 Feb 2017, at 11:08 AM, Adrian Corston <eidorian at aladan.net> wrote:
>>
>> is how they did fully polyphonic A/R envelopes
>
> Lots and lots of transistors! (just from peeking in my RS-202)