[sdiy] CEM chip CEM3391

[Nicholas Gregorich]

On Jun 10, 2007, at 2:04 PM, dj hohum wrote:

>
>>
>> Well, I have a *lot* of CEM3391s, and the only *repair* that I've  
>> ever seen is
>> that
>> it was used in 1 obscure Hohner synth.
>>
>> So, don't feel bad about 'stealing' these away: PLEASE buy some!
>
> They look fun, but the VCF output is hardwired to the ADSR controlled
> VCA. That's not what I need right now. If they were cheaper I'd
> probably buy a handful. Maybe you should run a special on them since
> they aren't that useful for repair.
>

There seem to be enough VCAs on the 3391 that you could leave the  
ADSR-VCA permanently gated open and use one of the other VCAs with  
external voltage control.

Nick.