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Bias after pulling out two power tubes?
I have a 94 Fender Twin with external Bias test. I have pulled the two inner 6L6 tubes to lower the wattage down to 60 watts per manual instructions. The... -
Fender Twin of the ProTube (sometimes called the Evil Twin) with very low output
Hi gurus.
This is my first post…and I’m hoping you can help me out. This problem has me stumped. The amp is a Fender Twin of the ProTube era...