Reverse the tubes in each channel. If it follows then the tube(s) are the culprit.
Dick
Dick
VTL 5.5 Preamp......
I have a 5.5 pre, this is one superb unit. The only question I have concerns the balance. When the balance knob is dead center, the left channel is definitely louder than the right. I have to put it to 1:30-2 o'clock to center the image. This is not a big deal, but does this indicate anything about the unit? Possible that one of the tubes is starting to go......thanks.....Mark