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 switched monitors plug system with non-grounded multi plug. I cut the noise circle and now there is no noise at all. In my case the ground is weak, my pc makes to much noise and I use copper sound cable.

Another noise resource can be your cable. I use BELKIN, it helps to stop environmental noise, it isolates noise with 100%-coverage aluminum/Mylar foil shield.

If you need more detailed explanation, leave a comment.

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