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Dish receiver causes speaker hum with three prong plug?

My Parasound a23 2 channel stereo power amp comes with a three prong plug. when using that type plug, I get speaker hum with Dish receiver hooked up feeding audio to the P5 preamp but not when it's not hooked up it, also has a three prong plug. I've been using two prong with power amp to defeat the speaker hum. I don't like using the two prong and loosing the grounding prong. I've been told on another forum that it was a common problem with Dish receiver use through stereo. Also, they mentioned the use of a ground loop isolator would solve the hum problem so I could use the factory 3 pronged plug that came with the power amp. Anyone familiar with the ground loop isolator they speak of? Through unhooking things, I for sure isolated the problem to be because of the Dish receiver which, was stated to be a common problem. I'd sure appreciate all input and, maybe some links to the type ground loop isolator others were referring to. Thank You!

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Topic - Dish receiver causes speaker hum with three prong plug? - alley -kat 09:43:26 03/28/21 (17)
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