Hi all,
I have arrived here after searching on Google for some hint on my Valvestate 80V repair. I have just posted a message about this, but have seen this sub-forum later, sorry.
I work on electronics, mainly on the radiofrequency area, at my professional home lab. But I am not so used to...
I am working on a Valvestate 80V which, besides dirty pots and switches, which after a careful cleaning now work fine, keeps distorting even with relatively low level signals. I have tried it with a guitar and also with a signal generator. I inject a clean sinusoidal signal, let's say 500Hz /...