SergeModular

----- Original Message -----
From: "John Papiewski" <johnp@...>
To: "Serge Modular" <SergeModular@yahoogroups.com>
Sent: Monday, June 04, 2001 4:09 PM
Subject: [SergeModular] That 24db/octave thing...


: Hi all,
:
: There's that contributed article on Egres I posted a long time ago,
: about putting 2 VCFQ's in series.
: I have only one vcfq in my system so I tried it by combining my system
: with a couple others, I never actually got any interesting results. I
: think I was doing it right.
: Has anybody else tried this? If it turns out this thing is a crock then
: I'll remove the article.
:
: Thanks
:
: JP


About the 24dB module suggestions, I wanted to remind that all the things
like 24dB lowpass, variable slope, variable bandwidth (VCF2: 2 coupled 6dB
lo/hi filters anyway) and formants can be done with two combined VCFQ(X). So
my personal suggestion to Bill (and anyone else who wants to start with a
small system) would be to start with two VCFQ(X) and buy the more special
ones with the next upgrade.

However, now I'm not so sure about this anymore - John, maybe the filters in
the systems you combined differed too much? They should be identical really,
for the res loop. In general, only few filters sound good in series - I know
only the Sherman, the MS20 and the related Borg (very low noise), which do
sound good (formant sounds) even resonating in open loop. The Moog 904 does
not, I think (it does in coupled mode). Generally, cleaner sounding filters
just might not do it... I have to little experience with such.

Anyway, I would say Harvey owes the list a demo :->

Sebastian Kuehnl


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