[sdiy] why +/- 15V

René Schmitz uzs159 at uni-bonn.de
Thu Sep 18 01:25:07 CEST 2003


Hi Chris,

> You need to use better VCA's then...transistor VCA's like the one me and
> Jorgen argued over in a fairly spectacular fashion a few years ago (it's a
> Gilbert multiplier built out of a 3046) can handle the 10V p-p natively. I
> believe Tony Allgood sells these at Oakley SOund Systems as part of his
> ADSR/VCA board... There's no need to cut and boost if you avoid
> transconductance op-amps.

I was talking about that VCA circuit of the old Moog Systems, because 
David did put this into his argument.

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159





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