[sdiy] "Reviving" the CEM3396

[Rainer Buchty]

>Also, I've seen the tricks used in the Xpander to get a variety of
>filter modes out of the 3372 (15 different modes with combinations of
>LP, BP, Notch and All Pass), and I was wondering if the same circuitry
>could be applied to the VCF in the 3396
>
>http://matrix-12.tripod.com/xpsvc26.jpg
>http://matrix-12.tripod.com/xpsvc27.jpg

I wonder if it'd work with a 3328 and/or 3379 as well? Or was it just
the costs of the additional 6 OPs, the 4051, 4053, and passive stuff
which kept other synth manufacturers from using this neat circuitry?

Rainer