My tuner radio stops playing11/4/2023 ![]() 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 Step 1ĭoes the hum in your speakers go up and down with volume? Take note so we can come back to this answer. ![]() Once you've identified which type of hum it is, the next three steps are to narrow down where the hum is coming from. To determine which of these you have, listen to the two examples.Ħ0Hz hum caused by close proximity to other equipment or cables problems:ġ20Hz hum/buzz typical of ground loop problems. There are two basic types: 120Hz buzz, typically caused by ground loops, and 60Hz hum, typically a result of poor shielding, cable problems, or close proximity to strong magnetic fields. ![]() If you need a more extensive procedure, click here for the extended version.įirst, you should determine the type of hum you are dealing with. If your stereo or video system has a hum or buzz coming from the loudspeakers, there are several easy steps you can take to discover what the cause and cure will be.
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