Korg Poly800/EX800 Users

Well it always nice to reply your own mail:

> Cutoff is bit different. I suspect it's OTA input as it's fed by again
> current from +V, lower leg with res and cap is for stabilisation.
> Atom's mod substitutes it for voltage divider and feeds current input
> with voltage. In theory that would be a problem. Can't say more. I'd
> toss in resistor inbetween pot wiper and chip input, 1k or so.
> Haven't tried it. Now, if you look at the borad you'll see silkscreened
> short link for bypassing trimpot to +V. Hmm, so maybe it really works.
> You might even not need 470ohm res he suggested.

I got it right except that additional resistor is already there
(22k) so Atom's mod is quite right. It'll work no problemo.
That 470-510 ohm res is there to put cutoff in useable range.

So this looks just OK...

Have fun...


--



marjan


me : Marjan Urekar
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