How do the balances cables work?
Jul 27, 2008 at 9:54 AM Post #2 of 9

Kees

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Quote:

Originally Posted by nopietns /img/forum/go_quote.gif
Can anybody explain what's the advantage of using a "balanced" calbe for headphones if two of the 3 are still connected together? How does it work?


Did you do a search?
This question is being asked WAY to often imo.
Beside +20040556998855968837 posts on HeadFi on this subject, read the Headroom site, they give a good explanation.
 
Jan 20, 2011 at 11:51 PM Post #5 of 9

JerryLove

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http://en.wikipedia.org/wiki/Balanced_audio
 
Instead of one incoming wave, you get two with one inverted before sending and after receiving. Any interference in the cable is canceled by recombining the original, and twice-inverted signal.
 
Jan 21, 2011 at 10:53 AM Post #6 of 9

Slackboy72

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Quote:
http://en.wikipedia.org/wiki/Balanced_audio
 
Instead of one incoming wave, you get two with one inverted before sending and after receiving. Any interference in the cable is canceled by recombining the original, and twice-inverted signal.

 
Here's a slightly less complicated explanation.
http://www.prosoundweb.com/article/unbalanced_vs_balanced_lines
It's hard to explain without drawing pictures.

In essence it's only useful if you have issues with audible external interference and noise which can occur if you are using large amounts of cable.
 
Jan 21, 2011 at 2:41 PM Post #7 of 9

JerryLove

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Quote:
In essence it's only useful if you have issues with audible external interference and noise which can occur if you are using large amounts of cable.


Exactly. They are used in pro-audio because it's not uncommon to have an interconnect a few hundred feet long. That doesn't really happen often in the consumer world.
 

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