Copper ring as a shield of the main power cables???

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All hes doing is shielding 60hz emi escaping from the power cord, how is this going to help the sound?

And starting the CD twice makes it sound better? Audiophool!


I wondered about shielding, and the tool you see , it's a Philips brand, so might be useful for measuring of el. magnetic splatters, i wonder why just at the end of a power cord, and i would try that but i need that measure tool, smells like this have a sense to improve sound quality.What I tried shortly, is closing RCA audio signal cables to the power chord of the pre amp and i noticed like loosing the high frequencies, all this is home made, and power chord is simply not shielded.
About playing CD 2 times ..., and after i get the better sound,I don't want to comment, cos im listening non - stop not just once.
Any more description about this???
 
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