What's the Red and Black Speaker Cable Actually Called?
Almost everyone has handled the red and black two-conductor cable that runs from amplifier to speaker, and almost nobody can name it. It's called zip cord, and the reason it gets confused with RCA cables is that both use the same colors for completely different jobs. This episode works through the real engineering: why voltage ratings on the jacket are a red herring, how current (not voltage) drives gauge selection, and what happens to your amplifier's power when you run thin wire into a low-impedance load. Along the way: copper-clad aluminum, damping factor, and the practical rules for…
The skinny
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