[sdiy] Pot with Pull switch

[harrybissell]

In the guitar world, DiMarzio makes pull pots

(pull pot ? ain't that the communist leader of Cambodia ???)

in 250K and 500K audio tapers, for modding Fenders and Gibsons
respectively.

They get like $12 a piece for them (ouch)

H^) harry

jhaible wrote:

> >I have samples of the Xicon/Alpha 16mm pot with DPDT pull switch, but this
> >comes in only linear taper and carbon elements.
>
> These are the ones I've used in my PS-3200 clone.
> Carbon, yes - but I was happy to find a pull pot _at_all_.
>
> Linear taper: if the "loaded linear" response (resistor from
> wiper to gnd) isn't good enough for your application
> (and often this is not good enough), then you can build
> a simple expo converter and control a VCA.
> Use a Vactrol as VCA for low noise and zero offset.
> Speed doesn't matter here, so the vactrol should be
> fine. And even if you carbon pot gets a little scratchy
> over time, the Vactrol will filter out much of the noise.
>
> Just some ideas - it all depends on your application
> of course. What are you building?
>
> JH.