Evil noise and crackles when turning the knobs… A quick disassembly, a short ‘Pffffffffft’ with the spray (Teslanol T6 ‘Oszillin’) and voila it’s fixed!

P1030182 P1030184 P1030186 P1030187

The Spray did the job perfectly! It was recommended on a famous German discussion board http://www.mikrocontroller.net (search for “Kratzende Potis”)

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