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In Reply to: RE: Balanced Versus Unbalanced posted by svisner on April 22, 2017 at 05:14:25
I use balanced for a few of my connections. I cannot say it makes a lot of difference.
A true dual signal path is very rare. I would guess 98% if the equipment brandishing 'balanced; connections are internally single ended. And they just add an op amp at the output to mirror a signal for the second leg of the balanced connections.
As for how they handle the input?
Anyway, IMO the balanced connector is superior to RCA connectors from a mechanical standpoint.
From a sound quality.. IMO It is a tossup. One may be better in one situation, the other in another
(unless you have a long connection, then XLR balanced is better.
Follow Ups:
"A true dual signal path is very rare."
Yes - Ayre does it (or used to do it - haven't opened anything up recently), and I beleive BAT does it as well.
If there is gear that uses a circuit technique in order to achieve "balanced" my money would be on the single ended connections to be slightly better.
100% agree with the person that mentioned that and Phono preamps. It's a big, positive difference. It's much less pronounced with other componenets.
I will point out that my Ayre kit (K-5xeMP preamp and V-5xe amp) sounds best with balanced hookups between them. But it is supposed to be fully balanced.
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"We have met the enemy and he is us" - Pogo
Balanced Audio Technology is one of the few brands that actually has balanced gear. Otherwise those XLR jacks are simply a convenience and nothing more.
We were doing that before BAT; in fact one of the founders was a customer of ours.
How many years has it been since I bought the MP-3 preamp? Too many to count. TAS definitely saved the best for last.
We've made a lot of improvements over the years!
While a component itself may not be internally balanced (and the value of that can be argued separately), the use of balanced outputs/inputs is another issue. Implementing this with non-balanced (the term unbalanced conjures too many associations) equipment, even with transformers or opamps, still affords increased common-mode rejection with long cables.
I do not describe that as "simply a convenience and nothing more."
"I do not describe that as "simply a convenience and nothing more.""
Was going to say the same thing.
If you have long cables you are going to want them to be balanced. Not everyone has all the stereo gear co-located. I know of one setup whee the sources and preamp are near the listening location and then a long run of balanced cables tot h amp and speakers.
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"We have met the enemy and he is us" - Pogo
Hi Kal, mind if I simply take my post back? :-)
Of course you are correct about the benefits of balanced when using longer cables. I've been using balanced cables, almost exclusively, since the mid-90s.
Sorry about the brain fart.
Sue
I think some home theater preamp manufacturers may offer balanced XLR connectors for installations that have longer cable runs.
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