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6. Subwoofers > 54. Remove Subwoofer Hum

Remove Subwoofer Hum

A common subwoofer problem is hum—that low buzzing that seems to fill all the empty spaces in your movie soundtracks and annoys dogs and low-flying birds. Learn how to isolate the hum, analyze it, and remove it.

One of the most annoying problems you’ll ever encounter in a good home theater setup is subwoofer hum. This most often crops up when you’ve got everything set up and calibrated, all your cables Velcroed together, and your racks moved back into their final resting places. Then, just as you get comfortable on the couch, something starts to hum. As annoying as this is, it’s not going to go away until you locate the source of the hum and get rid of it.

Hum Created by Coaxial Cable


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