[sdiy] 1496 VCA?

[John Mahoney]

Ian Fritz wrote:
>
>The 1495/6 approach was almost instantly dropped when OTAs became 
>available.  They require quite a few external parts, they have to be 
>carefully trimmed, and unless you hand pick selected units they typically 
>don't null out very well.

To "not null out" means to allow CV feedthrough, is that right? If so, is the solution as simple as AC coupling? That's clearly no good for VCAs that will process CVs, but what about cheap, audio-only VCAs? There's always someone looking for a cheap VCA.

John (neither cheap nor simple -- hiya, Timo!)