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Ground Loop


reactor444

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Try lifting the ground from one of more of the components. Or try plugging all the components, including the subwoofer into one outlet just as a test to see if the humming goes away. You may have one or more components on an outlet that is wired to one side of your electrical panel, and other components on an outlet wired to the other side of your electrical panel. This can cause a ground loop.

I was a live sound engineer for years, and we always made sure to wire directly into the electrical system at the club and ran all of the equipment from that same power source. Lighting went on the other side.

Greg

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Using two baluns back to back will interfere with picture quality. Get a Mondial Magic Box (from your Aragon dealer). This will cure the ground loop problem with no degradation in picture quality. It is not the cheapest solution, but it is the best and it doesn't violate electrical code or create potentially dangerous situations as does lifting grounds from the AC.

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  • 2 weeks later...
  • 2 weeks later...

One thing I don't think was mentioned. You cable should be grounded either to your electrical system ground rod outdoors or to the water meter bonding indoors where your electrical system grounds. Either way there should be a cable company interface (F-81 barrel type connection with ground lug) somewhere in your cable line that gounds the shield in the cable.

Make sure this is done properly, or at all. Satellite systems included should have the same grounding setup.

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