If the impedance of Cu wire is slightly different in the direction of the draw vs. the other direction, then I would think that this difference is measurable. Perhaps fuse and cable companies know this and measure this; but for the sake of competitive advantage, do not care to reveal it. If wire impedance is slightly higher in one direction than the other, then it could follow that signal noise is slightly lower pending orientation of the wire. Lower signal noise could be perceived as better sound quality.
So who among these esteemed EE's could perform these delicate measurements? And be willing? Or is it nonsense?
So who among these esteemed EE's could perform these delicate measurements? And be willing? Or is it nonsense?