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

James Coplin james at ticalun.net
Tue Jan 19 14:45:52 CET 2021


That was my first thought but I'm not finding 10k concentric pots.

James

On Jan 19, 2021, 2:48 AM, at 2:48 AM, Gordonjcp <gordonjcp at gjcp.net> wrote:
>On Mon, Jan 18, 2021 at 09:24:56PM -0600, James Coplin 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?
>
>Why not buy a 10k pot and a 500k (or these days, more realistically
>470k) concentric pot from the same family, then swap the appropriate
>wafer over?
>
>-- 
>Gordonjcp
>
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