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In Reply to: RE: About differences between cables - RCAs vs. XLRs. posted by beppe61 on April 16, 2015 at 01:20:28
[quote]Bill Conrad stated that balanced circuitry in home audio gear is a solution looking for a problem[/quote]imo, Bill Conrad is right, in this instance...
imo, there is no real benefit of using XLR ICs, unless you require 10m long ICs or your components do not have RCA sockets.
For me it depends on the RCA or XLR electronics and the quality of the RCA or XLR ICs not whether it is RCA or XLR, which is how I hear it.
With RCA ICs, if the noise is well controlled then RCAs can/should sound better than XLR ICs. In many instances though noise is not well controlled but if noise is well controlled then RCA ICs can/should sound better :)
Unfortunately, XLR electronics remove 2nd order harmonics as part of the XLR noise filtering/cancelling process, which our ears like, but leaves the 3rd order harmonics in place including the noise, which our ears do not like... :)
Even more so, if the Hot and Cold XLR electronics is not well matched then the noise filtering/cancelling process can be even stronger where even more 2nd, and even 3rd, order harmonics are removed. I guess that will provide a smoother, maybe warmer, sound :)
Edits: 04/17/15Follow Ups:
"Unfortunately, XLR electronics remove 2nd order harmonics as part of the XLR noise filtering/cancelling process, which our ears like, but leaves the 3rd order harmonics in place including the noise, which our ears do not like"
Balanced (or differential circuits) cancel the even ordered harmonic distortion that they create, not harmonics that were part of the input signal.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Edits: 04/19/15 04/19/15
Thanks! for sharing- Tre'
Hi and thanks for the interesting information
and they do anything on the odd ordered harmonic distortion they create ? usually this kind of distortion is worse from what i understand
Thanks again.
Kind regards,
bg
"[do they do] anything on the odd ordered harmonic distortion they create ?"
No, they don't. There is no mechanism in a differential circuit to cancel the odd ordered harmonic distortion that they create.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Hi and thanks a lot again
I did not know this. So sadly bad distortion passes untouched.
However the beneficial effect on the noise still remains.
Thanks again.
Kind regards,
bg
Edits: 04/19/15
Hi and thanks a lot for the very interesting and helpful advice.
Noise is really one of the reasons that have led me to balanced equipment.
And then the misinformation that cheapest XLRs can sound pretty good, much much better than cheap RCA.
The value of my equipment can be very easily surpassed by the cost of just a pair of supercables.
But i have a question.
You say " Unfortunately, XLR electronics remove 2nd order harmonics as part of the XLR noise filtering/cancelling process ".
But then this should happen even during the recording process because mics, preamps and dac are usually balanced devices.
Thanks again.
Kind regards,
bg
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