Question about Marshall Amplification Marshall MG250DFX 100W Guitar Combo Amplifier
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 connected, there is a ground loop and either the ground at the inout connector is broken, or your cables and guitar may have a problem.
Posted on Nov 15, 2009
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Posted on Jan 02, 2017
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