My question in different words (perhaps) is if ground is zero potential (voltage), then the hot (+) caries the "information" to the component or speaker and it dissipates to zero at ground. This is only for single ended, not balanced which flip flops the signal across +/- voltages. So if the ground wire has zero potential (no signal) then how important is the quality of the wire?
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The signal ground using single end connectors is the whole chassis. The signal is the varying voltage in the center wire the ground is the reference. Not sure what you mean by how good is the quality of wire. Copper is good for conductivity and gold is good for connectors as it doesn't oxidize very easily. |
All that matters is that V(t) at the termination is equal to the V(t) at the source. The ground conductor as well as the insulation properties between the source and destination plays a role in this. To achieve an ideal transfer function =1 you need to minimize the reactive currents in the cable. The ground conductor plays a role in this. You can have a lousy quality center conductor and an equally lousy ground conductor and the effects can cancel each other out to provide an ideal output at the destination side. Buts its a lot harder to do it that way. |
So if you have one conductor made of, say, copper, and the other of, say, silver, and the two conductors are of significantly different lengths (one is straight, the other is spiraled around it), what effect would that have? http://www.image99.net/blog/files/4127b5fe2694586e383104364360373b-74.html |
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