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Is Digital Coaxial S/PDIF the same as Composite A/V or Subwoofer cable?

post #1 of 8
Thread Starter 
I feel like a newb asking this, but are composite audio/video (R/W/Y) cables the same as digital coaxial S/PDIF cables or subwoofer cables (the cable going from the receiver to an active subwoofer)? I need to hook up a digital coaxial connection from an old sound card to a receiver, and all I have is a subwoofer cable and composite a/v cables. Will this work or do I need to buy a specific digital coaxial S/PDIF cable?

On monoprice.com under digital coaxial cable they have composite video (which I'm guessing is the same as composite audio) and subwoofer listed. Just wanted to make sure.
Edited by c00lkatz - 2/9/11 at 11:26am
     
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post #2 of 8
your sub cables are completely different from a standard RCA (red yellow white) cables and digital coax cables.

**Add
Those coax cables are used to replace standard RCA (red white yellow (yellow are for videos)). So 1 coax replaces either 1 red/white/ or yellow. Red and white are audios.
Edited by MRoFlare - 2/9/11 at 11:30am
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post #3 of 8
Thread Starter 
Quote:
Originally Posted by MRoFlare;12323059 
your sub cables are completely different from a standard RCA (red yellow white) cables and digital coax cables.

**Add
Those coax cables are used to replace standard RCA (red white yellow (yellow are for videos)). So 1 coax replaces either 1 red/white/ or yellow. Red and white are audios.
So I can take one yellow, red, or white composite cable and use it as a digital coaxial cable, correct? I just can't use a sub cable?
     
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post #4 of 8
yes that is correct, your red white and yellow are just really low grade basic audio and video cables. The coaxials are the same thing but higher grade, insulted etc. kinda like stock cpu cooler vs aftermarket, both does same job but one has much higher potential
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by MRoFlare;12326058 
yes that is correct, your red white and yellow are just really low grade basic audio and video cables. The coaxials are the same thing but higher grade, insulted etc. kinda like stock cpu cooler vs aftermarket, both does same job but one has much higher potential
Cool, thanks for the info! +rep
     
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post #6 of 8
Sorry to rain on a parade here, but so long as the cable transmits the digital signal correctly, the quality of the cable means nothing. If it doesn't transmit correctly, the cable is faulty.
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post #7 of 8
Quote:
Originally Posted by weidass;12326505 
Sorry to rain on a parade here, but so long as the cable transmits the digital signal correctly, the quality of the cable means nothing. If it doesn't transmit correctly, the cable is faulty.

Yes that is true but around tons of Audio Video equipment lies tons of wires and electrical current... if the wires are not insulted properly, it will produce tons of static sounds. The quality of the wires transmit the data with much less resistence while the insulted layers shield the wires from absorbing outter interference.
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post #8 of 8
Thread Starter 
Well, at first I had a really thin subwoofer cable hooked up from the sound card to the receiver, and I was only getting sound out of the center channel and sub (I have the front left/right/center/sub hooked up to the receiver). I changed it over to a fat composite video cable I had sitting around and I got sound out of all 3 speakers and the sub, works great. Thanks again!
     
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