[sdiy] Dead Unobtainable Concentric Pot, What to do?

TERRY SHULTZ thx1138 at earthlink.net
Tue Jan 19 05:19:28 CET 2021


Contact Ralph Swartz at Orban Parasound

ras80141 at gmail.com <mailto:ras80141 at gmail.com>

linkedin.com/in/ralph-swartz-85158267 <http://linkedin.com/in/ralph-swartz-85158267>


I worked with Ralph at Motorola and he is a really great person.

Regards,

Terry


> On Jan 18, 2021, at 7:56 PM, Chromatest J. Pantsmaker <chromatest at azburners.org> wrote:
> 
> Did you try contacting Orban?
> 
> On Mon, Jan 18, 2021 at 8:26 PM James Coplin <james at ticalun.net <mailto:james at ticalun.net>> wrote:
>   I have an Orban 111B Spring Reverb here that has had scratchy pots 
> since I bought it ages ago. It had gotten progressively worse to the 
> point that I decided it was time to open up the pots and see what was 
> up. The carbon tracks on one of the decks had worn through and was 
> flaking off. Basically, the pot is dead. Unfortunately, it's a 
> concentric 10k/500k CCW Log pot which I can't find a suitable 
> replacement for. There are other concentric pots available but not in 
> that split value -100k/100k, 500k/500k, . I really don't want to drill 
> the front panel out unless that's an absolute last resort. Anyone have 
> any thoughts on what I could do instead to get it back up and running?
> 
> James
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