razorback bob Posted January 21, 2006 Share Posted January 21, 2006 I Need help. I just had a new home theater installed. With a Yamaha HTR 5990 receiver. I noticed my KSW 200 was not working. I checked it was plugged into the RCA jack center channel/ I fixed problem but bow all I get is loud hum from my sub. Quote Link to comment Share on other sites More sharing options...
wuzzzer Posted January 21, 2006 Share Posted January 21, 2006 Was it working before? Was it an old sub hooked up to a new receier? Could be a lot of things. Is the sub now hooked up to the correct output on the receiver? Was the gain or crossover level on the sub turned all the way down accidentally? The hum could be interference from other components or power cables, etc. Quote Link to comment Share on other sites More sharing options...
JJ51 Posted January 21, 2006 Share Posted January 21, 2006 Hi razorback bob, welcome to the forum. I had the same problem with my sub years ago. Inserting a 3 prong to 2 prong adaptor plug on the power cord fixed it for me. You might give that a try. Good luck. JJ. Quote Link to comment Share on other sites More sharing options...
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