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I am having some audio problems, and am in need of some suggestions as to what might be causing this. It would not normally be urgent, but I am having a superbowl party in about 7 hours and don't want to have to watch HD superbowl through the TV speakers.


Comcast came and installed my HD cable box, and after they left I hooked up my audio system. After everything was connected, it worked fine. Now the next day I am getting a random buzz out of my speakers. It is most prominent in the left main speaker which is next to my audio rack. If I turn off the receiver I can still hear it through my powered sub.


I have tried...


-Disconnecting and reconnecting all speakers.

-Moving the main speakers to channel B instead of A.

-Disconnecting the sub.

-Moving the left front speaker away from my audio rack.

-Playing audio through the optical from the cable box and dvd player.

-Playing audio from the tuner.


It sounds like I pressed the test button...you know the one that sends a static buzz through the speakers so you can make sure they are all plugged in.


I really really appreciate any help I can get! Sorry about the long post!!
 

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It is most likely a ground loop and are a royal pain to hunt down. A very short term fix is to get cheater plugs (the 3 prong to 2 prong AC adapters) to lift the ground on any gear that has a 3 prong plug. However, do not use this as a long term fix as there is a very remote chance of getting electrocuted if there is an quipment failure. As far as hunting down ground loops, there are a lot of threads on the subject and searching the forum is your friend.
 

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Try our Hum FAQ in the Audio Theory, Setup and Chat forum.


Good luck.
 

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zmzmsix it may be because you live in Ann Arbor Michigan.


GO BUCKEYES
 
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