[AMRadio] Dual concentric pot needed

Bry Carling bcarling at cfl.rr.com
Thu Sep 6 15:45:53 EDT 2007

John - you use a logarithmic potentiometer for a gain control and
you use a reverse logarithmic one as an attenuator.

> No, I'm not pulling your leg.  I bought several controls (surplus center
> special) only to find that they were reverse log perhaps for mounting
> backwards and using a geared coupling to operate them but there may be a
> use
> for reverse log controls that I am not aware of and yes you could just
> wire
> it backwards if you wanted counter clock wise rotation for turning up
> the
> volume.
> John

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