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Help!!! Subwoofer Humm/Buzz!

W

WBC

Guest
Guys, (& Gals)

I have a Sony STR-DB925 reciever that I have always been quite happy with until I added a Yamaha SubWoofer via Coax Line Out.

If I turn on the Sub without the reciever the sub HUMMs big style. On a regular occurance lately, the subwoofer will start to HUMM at random while watching a movie. If I give the receiver a slight knock the Humm disappears. I'm guessing the 'woofer out' connector on the back of the receiver has some sort of problem. I tried changing the the second 'woofer out' but I still have the same problem.

Any ideas???

Is this an expensive fix???

I've had this reciever for about 4yrs now so it may be time to turn it in and buy something new. Any suggestions for around £600?

All help appreciated.
Stace
 

magking

Banned
Do a search for "earth loop" you'll find a couple of posts covering subwoofer humms.
It can be sevarel things though, but i think all have been covered before.
 
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