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Well I ran a new Power line about the time I combined stereo into HT/Stereo Combo with an SSP loop in Pre Amp allowing me to use stereo set up and then switch to HT with loop using Procesor and other Amp (Carver AV 505 for center and rear). Everyting was quite as a mouse until I hooked up Loop back to processor. Now I am getting a light hum I can live with. But I turn on TV and hum is very loud, in some cases drowning out voices from central speaker. Worst hum is from front speakers. I have Anthem 2PL and SF MK II Mono blocks in main system, and Carver AV 505 and Sherwood 9080 Processor for HT. The Anthem, SF, Carver are on the new power line, and TV and Processor are hooked up to old line. Any thoughts or ideas other than attempting to hook all up to new power line. That is logical first step, but I am lost after that one. Thanks to the all knowing ones in the HT Group for a helping hand.Larry
WHAT YOU HAVE IS A GROUND LOOP. IF YOU HAVE MORE THEN ONE OF YOUR
UNITS THAT HAVE AN EARTH GROUND ON THE PLUG DEFEAT THE GROUND ON
IT WITH A GROUND DEFEAT CONNECT. 50CENTS AT A HARDWARE DEPT.
EXPERIMENT WITH IT. I DONT KNOW WHAT YOU HAVE THAT HAS EARTH GROUND
ON THE PLUG. EXAMPLE...YOU HAVE A CD PLAYER WITH EARTH GROUND, AND
YOUR RECIEVER HAS EARTH GROUND. FIRST DEFEAT EARTH GROUND ON THE
CD PLAYER. HUM GONE? OK IF NOT THEN DEFEAT IT ON THE RECIEVER.
IN OTHERWORDS DEFEAT IT UNTIL ITS GONE. AND ALSO..MAKE ABSOLUTELY
SURE YOUR NEW POWER LINE HOT, NEUTRAL, AND GROUND ARE CORRECT.
:D
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