Ground Loop Hum (and How to Safely Get Rid Of It).

Ground loop hum is a noise you hear from musical equipment. It is annoying and can be fixed safely

Did you get a loud hum coming through the PA system at your last show? Or is there a persistent ‘zzzz’ sound in your rehearsal room, especially when plugging in certain bits of equipment? If so, you are experiencing ‘earth loop’ or ‘ground loop’ hum. All musicians recognise this sound (especially guitarists) and the way … Read more

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