Hello,
It can be something to do with the tubes. Try changing them to a known good quality set and see it would help. There were other tube preamplifiers I used to have that had similar problems. It turned out to be bad tubes.
Goodluck.
Tora
It can be something to do with the tubes. Try changing them to a known good quality set and see it would help. There were other tube preamplifiers I used to have that had similar problems. It turned out to be bad tubes.
Goodluck.
Tora