this post was submitted on 25 Dec 2023
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My dad bought an amplifier in the 70s, I still use it for my TV audio system today. Super solid stuff.
I would still be using my Pioneer amp if the potentiometers didn't start going bad. I did find diagrams and I think I would be able to do the repair but it's been too daunting still. I've bought one of these cheap class D amps for now but I do plan to do the repair to use that pioneer amp again.
Did you try cleaning them with deoxit? That stuff works wonders on crunchy pots. Might be an easy fix!
I'm not sure, a friend of mine sprayed some stuff on them a few years ago. helped for a while but now it's back to how it was before
Hmmm that sounds like it might have been deoxit. It's worth trying again, but it can only do so much, eventually the resistive track just wears away.
If you need to solder in replacements, I wrote up a short starter suggestion comment elsewhere in this thread.