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RE: Looking for troubleshooting help

The power amp is a hybrid with just one input stage tube per channel which I swapped as suggested by the manufacturer. There was no change (unlike when I swapped the interconnects when the lower sound moved from Left to Right) and the Left channel output continued to be low. That is when they suggested I return the amp. This imbalance is very much evident when I play stereo where the imaging has shifted significantly to the right though the left channel sound is there at lower levels. With the pass-through, using speaker test tones from the surround processor, it is very much evident. Considering the practical difficulties in shipping the power amp (assuming the problem is with that), I am looking for some guidelines to see whether it can be fixed here.


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