AW: Korg PS-3100 Resonator Schematics Online

[Haible Juergen]

	>I have posted the Korg PS-3100 resonator schematics at my web
page
	>(http://www.seanet.com/~costello).  The resonator is made up of
3
	>voltage-controlled bandpass filters, with the outputs mixed in
parallel.
	>Apparently this is very useful for vocal sounds, phasing, and
so on.  The
	>filters use dual Vactrols as the VC element (parts #, anyone?).
	>
	>If anyone has made any of the filters on my page, I would
welcome your
	>comments. It would be nice to post construction tips, how they
sound, etc.
	>on my web page (or on whatever web pages wish to mirror these
schematics).

Well yes, I have built a 3100 resonator. And IMO, these small resistors
at the top and bottom end of the resonance potentiometer are
no good idea. Just leave them out (short); this avoids the original
signal bleeding thru at the cw end of the pot.

JH.



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