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Interconnects, speaker wire, power cords. Ask the Cable Guys.

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Original Message

RE: Braiding the AC mains feeding a power amp.

Posted by Duster on December 7, 2016 at 12:52:48:
It seems to me there is a possible issue of the magnetic fields being affected by a tri-braided cable run within a ferrous steel conduit, or the wire itself might be sub par, such as using THHN wire for the application which is terrible sounding, IME. This is not from an EE expert based POV, since my audiophile experience is limited to what I've gathered from a subjective POV over the years.

Perhaps the most important information that needs to be found-out is why the installer chose to use an unconventional wiring method. If the reason is based on a far-reaching desire to provide what sounds best to his ear from an anecdotal POV, I see no reason not to recommend that a more conventional in-wall AC wiring method be implemented for audiophile purposes as a rational attempt at a solution. It's a no-brainer option IMO, since there is no risk of ultimate failure based on the prevailing wisdom of using Romex or another audiophile-approved in-wall AC cable vs. a tri-braided "mystery cable".

The bottom line is, if there is no other reason discovered for unsatisfactory audio performance other than the AC delivery at the wall, try to fix it with what's known to work properly, IMO.