You’ll get it sorted. My 1245 has some contacts that I think are supposed to mute it when arm gets to a certain spot (I think- don’t remember); they could need cleaning.Craigslist 1241 I got this week with a new Steuerpimpel from 14 AWG insulation. Has hum from the right channel when there's no signal.
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I’d also make sure that cartridge pins, clips and sled pins are very clean..