20µF Bypass Cap in Fuzz Face

[phillip]

I was wondering...what effect on the sound of the Fuzz Face does the 20µF bypass cap on the wiper of the Fuzz pot have?  I notied that the Vox ToneBender has a 15µF, the Fuzz Face has a 20µF, and the ToneBender MKII has a 4.7µF.

What would happen if the 20µF was replaced with a lower value like a 10µF, or a higher value like 33µF?

TIA!
Phillip

[petemoore]

Lower value bypass cap= a little less gain [depending on how much smaller] and less bass gets amplified.
 Larger bypass means more bass which also means more gain.

[phillip]

Thanks Pete!

Phillip

[Fret Wire]

Phillip, try subbing tants for the 2.2uf and 22uf electro's. Gives the slight effect of a little less, but tighter bass. In reality, it's just a little mud cleaned up.