GS1874
New Head-Fier
- Joined
- Jan 14, 2014
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exSpire, the way to find the problem would be to put a nice clean sine wave through it and then probe the signal path with an oscilloscope until you find out where the signal is getting distorted. I would guess there is a pretty good chance it's the tube. I had a failing tube produce the exact symptom you are describing.
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