[sdiy] correct name for a type of potentiometer
harrybissell
harrybissell at prodigy.net
Fri Mar 31 04:43:46 CEST 2006
Yes... yours is for sure a center tapped model...
The advantage of the type I was mentioning is that
(although it would be a dual) it could be made easily
in any of the really cheap PCB mount units.
I need some of these for a new product. Its a secret. If
my company does not buy in, I'll find other friends to
help me market it. Our Vice President, Board Member...
and guitaristsincethesixties thinks its really great.
Unfortunately I'll need to buy at least 1K pieces or I
won't get them :^P
H^) harry
???????? wrote:
>
> On Mar 30, 2006, at 4:19 PM, Harry Bissell Jr wrote:
>
> > Usually that is done with a center tapped
> > pot... bur read carefully what he asked.
> >
> > There are 'balance' pots used in guitars that
> > do not change resistance for 50% of rotation
> > (they stay at full) then fade in the remaining 50%.
> >
> > The other side of the dual pot does the opposite.
> >
> > Now if you reversed that taper, what he describes
> > is possible without the center tap.
> >
> > Its REALLY food for thought, and I'll happily
> > go in with someone who wants to order a large
> > quantity of them :^P
>
> Thanks, "center tapped" sounds right.
>
> A dual pot would always have 2 sets of 3 connectors, correct?
>
> This one has 3 connectors in the same location as other pots in the
> same series and a fourth on the opposite side
>
> For what it's worth I'm looking at some early 1970s Type J pots by
> Allen Bradley. They have the suffix "FA" as well as an "FA" written
> in the schematics.
>
> nick
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