[sdiy] 1/8" shaft pot comparison: Honeywell/Clarostat vs. Vishay & Bourns

Mattias Rickardsson mr at analogue.org
Sat Sep 13 21:37:56 CEST 2008


Thanks for this information.

Just to clarify:
I presume the same quality problem applies to the 1/4" shaft pots, not
only the 1/8" ones?

/mr


2008/9/8 Robin Whittle <rw at firstpr.com.au>:
> Hi Graham,
>
> What you write about Vishay may well be true, but I have an original
> Spectrol 148 pot here, and it bears no resemblance in any way to the
> Vishay 148 which comes from "Vishay-Spectrol".
>
> If you turned one of these Vishay 148 pots and felt the slop between
> the shaft and the resistance element, I think you would agree that
> the new pot is unacceptable for any precision use, and nowhere near
> as good as the pre-Vishay Spectrol pot.
>
> The old black Spectrol pot is marked "Mexico" and the RS Components
> package for the new Vishay pot has "Made in Czech Republic".
>
> I am not trying to generalise beyond my experience with these
> particular pots.
>
>  - Robin
>
>
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