[sdiy] Ken Stone Tube VCA question

[Neil Johnson]

Hi,

cheater cheater <cheater00 at gmail.com> wrote: 
> Thanks a lot for the reply Neil!
> 
> OK.. now I know what C3 does. But I don't know what R7 does :)
> 
> I've read the preceding section, but they are talking about some sort
> of voltage divider there - I can't see that in the schematic.
> C3+R7 look like some form of feedback, but I don't know between what
> things, and I don't know what this feedback accomplishes?

Actually, JFET biasing is probably closer to what you are looking for.

Try here:

http://www.rason.org/Projects/jfetamp/jfetamp.htm

Neil
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