
Track Rat
Just Your Average Sized Member
Two things. First, that's RG-6 coax. That would be suitable for RF (TV signal) or baseband video or S/PDIF digital signals. Not for audio.
As far as copper coated steel, the signal travel on the skin of the conductors, not inside of it.
As far as copper coated steel, the signal travel on the skin of the conductors, not inside of it.