Korg 770 Schematic

Magnus Danielson cfmd at swipnet.se
Sat Jan 6 04:03:17 CET 2001


From: "Colin Fraser" <colinf at ntlworld.com>
Subject: Re: Korg 770 Schematic
Date: Sat, 6 Jan 2001 02:00:29 -0000

Hi!

It just struck my mind that...

> This is interesting - I hadn't looked at this schematic before, but it
> doesn't appear to use the Keio 201012 IC used by the 700, 700s and 800DV for
> the filters.
> Are the 770 filters a discrete version of the Keio IC ?

But, but... isn't the "Keio 201012" really just the Korg 35?
Humm... pinning doesn't match too well, but maybe not totally out of
context.

It seams very feasable that it is something *VERY* similar to the Korg 35.

Oh, BTW... Keio <=> Korg 

> Anyone heard them together to notice if there was any sonic difference ?
> I know the 770 was the last model introduced of the four.
> Maybe it gives away the secret of the 201012 ?
> If someone can find a readable schematic that is.

Cheers,
Magnus




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