Questions & Answers for: marshall hum

...hum always marshall vs232 makes a high pitched hum as soon as i switch it on. If my guitar's plugged in it makes it louder as does when i turn the volume and reverb knobs. I can't even hear my guitar ...

Bad Humm Out Bad Humm out First disconnect all inputs. If hum is still there, PROBABLY the filter capacitors have gone bad. Replacement is the cure. IF there is no hum without any inpout cable ...

...Marshall VS65R is powered up it has an immediate hum that remains constant no matter what I do. None of the knobs or buttons changes the hum. Could this be a blown speaker or a shorted reverb unit or ...

Marshall AVT20X hums and no sound from the input jack (speaker voltage during humming is 13vDC) Likely one half of the full-wave rectifier has failed. Take in for repair. Sometimes output amp shorts ...

...Marshall Haze 40 Amp started making a very loud humming noise after a couple hours of playing.I let it cool down,and turned it back on and the noise came back after a few minutes may be one of the ...

...at each plug, then, the wiring in your guitar. Try changing each of these to another as a trial, one at a time. Here is Marshall's spiel on hum

I have a Marshall ma100h that when boost is engaged hums incredibly loud. I've tried everything I can think of. The only thing to fix it is to turn the gain to zero. I've tried adjusting all the ...

Marshall 210h apm hum problem sounds like pre amp tube. and you should replace all in that row. never 1 at a time. Good luck.

Marshall 210h After using 15-20 minute increasing hum louder to louder. and big tubes goes very hot and colour going full red . what would I do? Possibly the tube heater power supply is faulty. It ...

Marshall mg30fx only hums only had it for a month More information required.