Noise Problem, connecting a PC to a Hi-Fi sound system

kevlar_speakerRecently I bought a pair of Yamaha HS80M monitors for using with my desktop pc. They make sound great but when I volume up there was a very high level of deep noise. After having a short talking with my electronic engineer friend, I got the idea why the system gets noise from my pc. He told me that I should cut the ground loop in order the stop the noise.

I swapped monitor’s plug system with a non-grounded multi plug. That cut the ground loop and now there is no noise at all. In my case the ground was very weak, my pc makes to much noise and I use a copper sound cable.

Another noise resource can be your cable. I use BELKIN100%-coverage aluminum/Mylar foil shielded copper audio cable, it helps to stop environmental noise.

If you need more detailed explanation, leave a comment.

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