Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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RE: My mistake. I should have been more clear.

Posted by Dryginger2 (A) on November 1, 2014 at 11:19:38

In Reply to: RE: My mistake. I should have been more clear. posted by stehno on November 1, 2014 at 00:03:06:

Stehno,

I am aware that all components export their corruption and that is why I place analog components on one circuit and dirty digital components like my Mac Mini computer on another always using a separate AC wall outlet per component. In the case of the amplifier and Mac Mini I run a Teflon covered, silver-coated 18-gauge copper wire from the ground of the AC wall outlet to the brass water pipe fitting under respectively the kitchen sink and bathroom basin in order to bypass most domestic corruption through the miles of connected water pipes. (The Mac Mini earth being accessed through its microphone input.) The Shunyata Venom Digital Power Cable on the Mac Mini has a filter to stop it exporting its corruption which I considerably reduced by wrapping its internal power-supply in UltraPerm 80 (MuMetal). All this markedly reduces the noise floor so I suppose that unreliable AC quality, vibration, EMI distortion and component/ domestic corruption are the principal enemies of good sound. Lack of funds prevents me fighting the first but I can imagine that, when corrected, the music sounds solid without mis-timings.

Substituting nylon screws for stainless steel/ brass does have to be evaluated on a case-by-case basis. For example, it resulted in a spacey, ungrounded sound when I replaced the 6-32 brass screw holding the AC wall outlet covers with nylon. One of my next tests will be to see whether running a twisted pair of silver-coated 18-gauge copper wires from the amplifier and Mac Mini AC wall outlet ground to the brass water pipe fittings will diminish EMI and lead to a further reduction in the noise floor.

DG

Edits: 11/01/14

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