It would be interesting as 50ohm cables are sine waves.
Is the nature of 50 ohm much more sensitive than 75 ohm using square waves or the typical spdif coax interface from transport to dac.
As such the conclusion seems for 50 ohm use, it is more sensitive.
I have a coax which cost at least the same as Sigma level cables, BUT ... looking at the construction definitely not a coaxial cable is the least bit, but sounds better than the even my Acrolink DA6100 (true 75ohm), which incidentally also cost more when used for the 75 ohm taps.
Many audiophile cables meant for digital are NOT coaxial cables under the hood.... handmade etc.... Yes, a belden 75ohm cable doesnt compare even to these offerings.
As 50ohm / 75 ohm can only be achieved by very precise spacing between the conductor and shield, there is absolutely no other way or amount or twisting / braiding that will allow this correct characteristics.
But again, there are arguments that unless running hundreds or thousands of meters any deviation affects transmission losses and in some case total loss of signal over the distance.
What are the characteristic sonic outcome when using precise cables for digital transmission? Are there any prominent characteristics not obtainable of any non compliant audiograde digital transmissions cables no meeting this strict standard?
What do we listen for, this will be highly enlightening for the audiophile community.
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