Quote:
Originally Posted by GrimJosef
Otherwise sliding copper braid over the outside of ordinary mains cable also works. It doesn't fix the problem of noise from the switch mechanism itself leaking into the volume pot track, of course.
GJ
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When I restored a valve Armstrong amp it had screened audio cable carrying mains to the switch on the volume control. I replaced it with ordinary mains cable over which I slid some braid screening and some heatshrink insulation. I felt safer that way.
Peter