Twin Reverb

Twin Reverb

How can I change and combine (bias) of the tubes in my Fender Super Twin Reverb Guitar amp?

I bought a new Full Set of tubes valve for my 1979 Fender Super Twin Guitar Amp reverb. I change the tubes fairly easily, but we know nothing of them overlapping. I see an adjustable screw on the back saying "output tubes with the issue," but how do I do this properly for the best sound from my amp, and to ensure that the tubes do not cut or blow. I know very little about electronics. He also lives in Dubai, and no specialists Tube Amp that I can carry my amp.

Take it to someone who knows what they are doing. some older amps still have a big enough charge to kill unplugged. good luck

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