RCA cable design

Except he didn't answer the question at all, which is where is the signal. He defined what is the signal in terms of voltage. Not a word about where it is, and does quality matter. In other words its all frosting. To paraphrase the old Wendy's lady, "Where's the cake?"

Come on MC, That was, "where's the BEEF"? ;-) 

The fact that there is a slight timing issue, between pos and neg. 

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In "real" cables there are slight out of phase current flow due to capacitance, induction and dissipative dielectric losses in the non-conducting materials. This will cause slight variation between the voltage at source and destination.

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I find the answer interesting, not the question, I haven't quit figured that out YET.

Normally, there is a 500 word answer, I like the trimmed down version.
That explains HOW an RCA works.. Apply it where you like..

I agree it takes a neg, pos, covers, shielding (optional) and or armor.. AND yes, how it sounds. I'm just not sure that's what was asked either.

Regards..

Tough crowd. Signal doesn’t flow. Current flows.
The signal is a time varying electric field between the two conductors. It exists at the input of the cable (source) and everywhere along that pair or conductors.

Where is the signal (electric field)? Simple answer, it is everywhere.
Now that electric field will tend to induce some currents (that do no work) in the cable.  That is where the mischief or magic happens. Some mischief can sound good, but its still mischief.

Tough crowd. Signal doesn’t flow. Current flows

Current doesn't flow. Current is.  Electric charge flows.
(crowd can be even tougher)  :)

Here we go.. Ok is that the question? OP what was the question again?

Now were talking about flow? Current? but not what he ask..

He ask if two different conductors, made a difference, ground, vs signal (pos)? I say yes, it does.. Again I still like the answer jder, posted.

I say that because I've mixed and matched on speaker cables, and it made a big difference...Copper/silver ground, with copper/copper pos, and a weave..

Reverse the two, use the copper/copper on the ground and the silver/copper, for the hot. On my system the tweeters will boil your ears, and the mids sound like they are wired out of phase.

Reverse it.. Wonderful again. Actually one of the better combos I've done, for small planars, and a splash of tungsten with copper, not silver, is pretty darn cool too...

Regards