Questions & Answers for: Marshall amp knobs

share a common ground wire and if it has come of one might worj but they other won't if thats not the problem check the wiring to all the control knobs and please DO IT WITH THE AMP UNPLUGGED!!!!!!!!!

amp or guitar) when selecting crunch from a clean setting similar to that described, with no similar blast. Any idea's? BTW, the OD channel works just fine. There are 2 channels, Which means there are

...also called a pot). The solution is to buy a small spray can of tuner cleaner, then unplug the amp and partially extract the electronics chassis from the case -- usually by removing screws in

knobs. I'm going to check the fuses, but how can power be getting to the amp as a whole if the fuses are gone? A poor speaker wire would make sense as the start of my problem. I hope it's just a fuse.

...amp on and the volumes turned down. This will discharge the capacitors so it will be safe to work on. I hope this helps. Anyone have a vendor address where a new volume potentiometer as well as the ...

knobs or buttons changes the hum. Could this be a blown speaker or a shorted reverb unit or bad pre amp tube? Blown speaker NO (would not get sound at all) Bad Reverb UNLIKELY (controls would deselect

Hi I have a marshall haze15w amp and stack, the problem seems to the master volume switch/knob doesn't seem to work, i can get a small sound by putting the overdrive and gain on full, but the master ...

amp that's a little older. Oxidation builds up inside the knobs and makes that noise as you turn them. If it only happens when you change settings I wouldn't worry about it, but if it gets bad, a tech

high frequency noise Amp: Marshall MG10CD Clean channel works great. Overdrive Channel: high frequency noise as the gain and volume are increased. "Overdrive Channel: high frequency noise as the gain ...

s a much bigger job, that involves pulling the whole amp apart and replacing the pot --- you need to get an electronics tech to do it. Google mg series knobs to find replacements --- they just push on