Question about Speakers & Subwoofers
When processor of my new HS500 warms up (after full DVD play cca. 2h) from subwoofer there is a noise (not loud but during the very silent part of movie you can hear it). Other speakers sounds OK. Noise is present also when mute is on. Level is changing with volume control on subwoofer. Frequency can vary when I open or close the door of DVD. I received new central unit and new subwoofer, but sound remains. I have unplugged all satellite speakers and TV but nothing change I tried to ground the system but no changes. When I switch the system off and it cools down, then noise disappears. And after 1,5 to 2 hours it appears again. Any idea?
Well as I see from the owner manual for this device the sub is active one and my opinion is that electric is your problem.The power of the sub and main unit must be on the same phase otherwise you'll hear brrrrr or frequency of your main unit power supply on the sub.Thats why sound changes when you open or close the door.Take one power distribution cord (get power for bought devices from the same place) and connect main unit and the sub on it and then try.I hope that this will help you
Posted on Mar 10, 2008
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Not that it would help.
Is the white noise present in the absence of an input connection, free-floating?
The amps in both of them sound like they
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