[sdiy] 4-pole SSM2164 filters [was: Roland System 700 VCF]

[lanterma at ece.gatech.edu]

On Jul 11, 2010, at 12:27 AM, Jared Hahn wrote:

> Do you know of a circuit to build the 2164 into a switchable Multimode filter? 

Do you mean like on the Oberheim Xpander and Matrix-12? You can do that with any of these four-pole-cascade designs:

http://www.musicsynthesizer.com/Circuitry/Multi-Function%20VCF.htm

Grant's website is coming in handy this evening. :)

- Aaron