Gino,
I'm not sure where you are based, but I found a couple of UK based retailers that appear to have these chips in stock.
One is Nikko Electronics, here:
Nikko and one is Cricklewood Electronics, here:
Cricklewood The search on Cricklewood also throws up a few possible equivalents that may come in useful.
Regards
Mike
--- In ModularSynthPanels@yahoogroups.com, gino wong <ginowong@...> wrote:
>
> I just got a clean Polyfusion formant filter pcb. I need a UA739 or a
> subcircuit to replace it.
>
> I figure since it is a one off that I can use a panel that is close, 9 or 12
> pots, 1-3 in 1-3 out.
>
> If anybody wants an image before I start on it let me know.
> I also have a clean set of AS1 sequencer pcbs
>
> best
>
> gino
>