Hi, good day all and greetings from Germany!
So, I wanted a ps100 and got me a used one, 2022 is the year of buy. All outputs send hum signal (measured +40db) between 50 and 150hz.
Would transformer swap solve it?
BR
Hello, Apologies for the long delay in responding to you. I recommend that you consider sending your PS-100 to this repair shop in Germany for service;
Tube Workshop – en.tube-workshop.de
Mario Gebhardt
Hoppenstr. 15, Leingarten, Germany
info@tube-workshop.de
Please let me know if I can assist you in any way. Cheers! Gil