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Who can explain how an electrical signal tells a speakers what sound to produce or how many hz to vibrate ?

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Northwest · M

The amplifier does that. It switches the signal on the power wire between positive and negative using a variable frequency.

hunkalove · 61-69, M

@Northwest Sure it does. And pigs can fly!

Northwest · M

@hunkalove [quote]Sure it does. And pigs can fly!
[/quote]

Huh?