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Wiring a Home Theater System help

post #1 of 6
Thread Starter 
Well i have an amp connected to a switch and then 2 pairs of speakers. Now my first pair has a speaker that is about 20-30 ft away and the other is 10 ft away. Right now the speaker cables i cut is 30 ft, but do they absolutely have to be the same length or will the difference be negligible?
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post #2 of 6
Hardly any difference.
post #3 of 6
Negligible is an overstatement, if what you're worried about is a delay between the different cable lengths. Electricity travels essentially at the speed of light.
    
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post #4 of 6
Source:

Quote:
There are NO reasons why cable lengths between pair channels (ie. Main Left, Main Right, Rear Left, Rear Right, etc) need to be kept identical, but avoiding a ratio greater than 4:1 of identical wire gauge is good measure for minimizing RLC losses which can affect system damping factor and attribute to frequency response variations. If cable runs need to be much longer, selecting a cable of lower gauge is advised provided that the geometry and conductor spacing is conducive of keeping Inductance (recommended < .200uH/ft) and Capacitance (recommended < 50pF/ft) in check.
So in short, you are good to go!
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post #5 of 6
Thread Starter 
thank you guys I will shorten the cables a little bit now that i know that.
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post #6 of 6
Thread Starter 
another question Subwoofer cables are basically RCA cables being marketed as better quality, correct? meaning RCA cables are basically the same thing as a subwoofer cable
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