Cable Label Babel

[Shojahan]

Ayo mayn,

I saw a used Sony Xplod sub (300 watts RMS) for $30 and decided to buy it as a spare. The guy gave it to me with the speakers cables intact. When I got it home to hook it up for testing, I wondered if he was some kind of lunatic because this sub's speaker cables were massive, larger than my amp's 4G power cable. A closer look at this sub's 'speaker cable' labels indicated they were in fact 2G power cables! Plus the wire strands were silver, and I thought copper only came in brown.

Anyway I was wondering if having excess wire in your cable is in fact a bad thing, because at some point, is there a threshold crossed where you start getting more resistance than conductivity because the cables are far bigger than they need to be?

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