Tech Square

Technical and speculative discussion of amps, cables and other topics.

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Re: doesn't superposition contradict this?

Posted by Lymp Baygul on August 12, 2003 at 19:57:27:
Assuming perfect wire, yes. However, the signal to the speakers is high current, and the slight amount of inductance and resistance the cable presents becomes signifigant, and has to be considered part of the crossover network. By bi-wiring, each side of the crossover is connected to the feedback loop of the amplifier seprately, so the amp can damp out inductive kick back from the woofer before it gets to the tweeter.
I am not aware if anyone has tried to compare speaker cables with low and high inductance to see if the effects of bi-wiring are dependent on this. I would think a braided design such as Kimber Cables would not show as signifigant a difference as straight designs do.
The liniear inductance of cable is also why fancy power cables do what they do.