If steps 1 and 2 were “no”, but removing all inputs eliminates the hum, it is likely you have what is called a ground loop. Once determined you can either replace that piece of gear or read our extended hum fixing guide for further instructions.
Remove that piece from the receiver, amplifier, or integrated and the system hum should now be gone. If the answers are yes to questions one and two, it’s likely that one of your sources (like a CD player, turntable, video feed), is the source of hum. Only the speaker cables, loudspeakers, and AC plug powering the unit should now be connected.ĭoes the hum go away? Examine your answers Remove the cables connecting the receiver, power amplifier, or device powering your speakers. Step 2ĭoes the hum go away? Is it only audible with one input selected, or all of them? Step 3 Once you’ve identified which type of hum it is, the next three steps are to narrow down where the hum is coming from.ĭoes the hum in your speakers go up and down with volume? Take note so we can come back to this answer.
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