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Index last updated: 2026-04-28 23:35 UTC

Message

Re: Next filter - SSM 2040 clone

1999-08-12 by J. Larry Hendry

Gimme gimme !!  (well of course I mean via purchase).  That's all I got to
say.
Larry H

> From: "Paul Schreiber" <synth1@...>
> 
> >If you hate VC Q so much, why do it? They're your modules!
> >
> >
> >But if it's a significant trade-off in terms of quality, I don't want
it,
> >and quite likely others don't either.
> >
> 
> Well, in 99% of filters, VC Q adds a DC offset from the output back to
> the input. This in turn "muddies" up the sound.
> 
> However, in this particular filter topology, we use a "trick" because I
have
> both NPN and PNP matched pairs available. So hopefully, there will not
> be this effect.
> 
> The prototype filter will be built in mid-Sept. I'll post some MP3 as
soon
> as it is all checked out.
> 
> And per Rocket, yes you can overdrive the snot out of it.
> 
> Paul S.
> 
> 
> 
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