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Calaverasgrande
1486
Aug 8, 2018
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Bass frequencies travel in a solid central 12 AWG core conductor, which is surrounded by six stranded cores. These outside conductors carry the mid and high frequencies, resulting in solid imaging, enhanced sound staging, and true signal clarity.
I do not see any mention of a passive frequency dividing network living inside of one end of the speaker cable plug. So how do they coerce the bass frequencies to travel down one conductor, the mids and highs down another? The answer is self evident. If there is not an electrical reason for the frequencies to travel down a particular conductor instead of another, the signal traverses both.
In Pro sound, we use multi-conductor cable with physical seperation between the lows and mid/high signals. This is because the lows are powered by one amp, and the mid/high tops by another. So the output of the two amps must be kept electrically distinct from on anther to avoid blowing things up.
These are probably nice cables. But in my experience I've never heard any difference between one copper cable and another when it comes to speaker cables.
For line and mic level cables capacitance is more of an issue. In that case It's easy to hear the difference between Canare and monoprice due to the better dialectric used in Canare. As well as the research they have put into how they braid their balanced cables.
CEntrance
1156
Michael Goodman
Aug 9, 2018
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CalaverasgrandeReplying as a gigging sound engineer and bass player, as well as an audiophile. I'm glad we are in agreement that in Pro Audio cables do matter. In a similar way, they also matter in Hi-Fi.
You are asking "how do they coerce the bass frequencies to travel down one conductor, the mids and highs down another? ". We don't -- they do it on their own. The reason is Skin effect, a physical property of all transmission lines. It's a power thing. Once the power gets significant (think sharp peak transients), weird things start happening to plain old copper -- it becomes hollow and its impedance goes up, which increases losses and screws up the amp's damping factor:
https://en.wikipedia.org/wiki/Skin_effect
You are asking "how do they coerce the bass frequencies to travel down one conductor, the mids and highs down another? ". We don't -- they do it on their own. The reason is Skin effect, a physical property of all transmission lines. It's a power thing. Once the power gets significant (think sharp peak transients), weird things start happening to plain old copper -- it becomes hollow and its impedance goes up, which increases losses and screws up the amp's damping factor:
https://en.wikipedia.org/wiki/Skin_effect
Calaverasgrande
1486
Aug 9, 2018
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CEntrance
1156
Michael Goodman
Aug 9, 2018
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Calaverasgrande60Hz is at the bottom of the audible spectrum. At high frequencies the skin depth becomes much smaller, which gives rise to cable impedance and makes the speaker less linear in the frequency domain. Any appreciable impedance change in the cable will affect the frequency response of the speaker. That's assuming an ideal amplifier on the other end. If you put a real world amp in the mix, it may have trouble adequately dealing with the resulting reactive load, which further messes up the frequency response of the system (amp/cable/speaker). This is not rocket science and while the delta differences are not huge, what's most important is they have been proven to be perceptible in a good system.
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