Need an old impedance selector switch.

  • Thread starter Thread starter SQUAREHEAD
  • Start date Start date
SQUAREHEAD

SQUAREHEAD

Well-known member
I have the plug in with the window, but I need this part…

Be great to find one?

IMG_5884.jpeg
 
No one makes them. I went with a three way rotary pot for mojotone for two of mine. Those original deals are too sketchy to trust for me.
 
You're probably better off just replacing it with the reissue style. Sometimes, the plug won't make contact and it could smoke your output transformer.

https://www.mojotone.com/Marshall-Impedance-Selector-Switch
These are slightly bigger than the original chassis hole in the amp. You have to use a dremel and make the hole bigger. I even tried to shave down the selector switch and it fell apart before fitting into the chassis hole.
 
You're probably better off just replacing it with the reissue style. Sometimes, the plug won't make contact and it could smoke your output transformer.

https://www.mojotone.com/Marshall-Impedance-Selector-Switch
I got an early plexi a number of months back and the ohm selector cut in and out…. I immediately shut the amp down and brought to Todd Sharp in Nashville. Needless to say I was worried for a few days.. fortunately the transformers were ok and it was the above problem. They just installed a new one. I’m not taking the chance.
 
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