Question about Marshall Amplification Music
...turn on their is a loud high pitch squeel that occurs on my Marshall VS232 amp. My volume is all the way down, and the gain channel isnt on either. What is the problem? If this happens when guitar ...
unit so find someone with experience to do these checks for you. This isn't a solution but it might help diagnose. I have the same head with the exact same problem. Fredy2 is right, this is a fix that
...unit in for repair. The answer given by Fred is not completely accurate. Yes, there is the *slight* possibility it's a problem with the circuit board. But logically you start troubleshooting with the ...
...turn it up again. IF the blue is on the GLASS envelope, that is just phosphouresence in the glass and not a problem. The harder you drive the tube, the brighter this will get. The electron beam ...
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