[sdiy] ALFA clone chips?

cheater cheater cheater00social at gmail.com
Sun Mar 28 20:00:18 CEST 2021


On Sun, Mar 28, 2021 at 10:51 AM Neil Johnson <neil.johnson71 at gmail.com> wrote:
>
> cheater cheater, <cheater00social at gmail.com> wrote:
>>
>>
>> I thought what these companies did (CoolAudio aka Uli Behringer, ALFA,
>> SSI) was take photos of the old chips and re-issue them based off
>> that?
>
>
> I'm pretty sure that the SSI parts are redesigned from the ground up. I think the parts closest to the originals are the two filters: SSI2140 and SSI2144. But only to keep the sound of the originals, and with additions and improvements.
>
> All the other parts are either redesigns (SSI2164) or fresh designs (SSI2130).
>
> Neil

That's kinda sorta disappointing in a way - I appreciate new circuits
a lot but what about having replacement parts for older synths? It
would be nice to have an exact copy of the old thing.


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