[sdiy] Using AS3320 as a CEM3320 replacement in vintage polysynths

[Benjamin Tremblay]

I used the circuits provided in your write-up of the 3320 with the AS320 works great. I think the AS gain cells need a few more capacitors around the reference resistors.

> On Jan 28, 2021, at 1:46 PM, Tom Wiltshire <tom at electricdruid.net> wrote:
> 
> 
> Does anyone have any experience to offer having tried this? Are the old and new chips close enough to be direct replacements? Or maybe with a bit of trimming?
> 
> There seems to have been a lot of focus on the AS3340 as a replacement chip (and there are a few little differences) but I haven’t seen or read much about the AS3320 as a drop-in replacement.
> 
> Of course, changing all the filters to maintain consistency is a possibility, and then you have a few genuine CEMs for the next repair!
> 
> Thanks,
> Tom
> 
> ==================
>       Electric Druid
> Synth & Stompbox DIY
> ==================
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at synth-diy.org
> http://synth-diy.org/mailman/listinfo/synth-diy
> Selling or trading? Use marketplace at synth-diy.org

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20210128/214da027/attachment.htm>