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drtanz

macrumors member
Original poster
Sep 27, 2012
58
0
I have the Altec Lansing 251 speaker setup, and once I switch them on there is a loud buzzing sound, even when not connected to my Mac. The sound starts when I connect the right front speaker, and stops when I unplug it from the back of the subwoofer. Any ideas what might be causing this?
 
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