SV: [sdiy] analogue equations, AD633

[Mike]

> Music From Outer Space sells a bare ring modulator PCB board (4.4" x 3.5")
> which uses the AD633.   Check out
>
http://www.musicfromouterspace.com/analogsynth/RINGMODULATOROCT2007/RINGMODU
> LATOROCT2007.html
>
> Or search www.musicfromouterspace.com/ for Sonic Multiplier.

Marc Bareille has one too:

 http://m.bareille.free.fr/modular1/warp633/warp633.htm

And there is the simpler original from Roman Sowa

http://www.sowa.synth.net/modular/rm.html

Mike