[sdiy] Seeking Marshall 1987 guitar amp potentiometers (vintage...1975)

[Travis Shire]

I'd just replace the carbon element with a new one if it were me. This 
assumes the rest of the pot is mechanically OK.....



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From: "Jean-Pierre Desrochers" <jpdesroc at oricom.ca>
Sent: Sunday, August 21, 2011 12:01 AM
To: <synth-diy at dropmix.xs4all.nl>
Subject: [sdiy] Seeking Marshall 1987 guitar amp potentiometers 
(vintage...1975)

>
> Hi list,
>
> I just bought a vintage Marshall model #1987 guitar amp head
> and found there is one of the inside 1meg log pots
> that is damaged. (Vol I channel). This is a vintage 1975 amplifier and I 
> can't find any source..
> The pot was made by CTS and it has a 1/4" plastic shaft
> with a lenght around 3/8".
> The shaft travel is specific to this amp since
> the pot's back has 2 notches which shorthen the overall shaft travel.
> See the picture here:
> http://www.arcenson.com/public/Marshall_1meg_pot.JPG
>
> This means I cannot use a standard CTS pot with one notch.
> Is there anybody that would have some in hand ?
> I'd need two of them.
>
> Thanks.
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