[sdiy] Vactrol'ed Moog Parametric !

[Dave Manley]

JH. wrote:
> I made some simulation of the Moog Parametric EQ, and it's an interesting EQ 
> indeed.
> Complete with side effects, like an ever so slight boost of the topmost 
> audio range when you're setting an attenuation in the bass range ...
> I'm convinced it's something special, now. :)
> 
> As for the potentiometers: We could emulate them with vactrols, and adjust 
> the different control law in the CV domain.
> Same with the reverse audio frequency pot.
> 

A very good idea, but how well matched are vactrols?  Would there need 
to be a lot of calibration/trimming required?

-Dave