Directionality Explained


I have read it argued against by those who think they know
Here is proof
Paul Speltz Founder of ANTICABLES shares his thoughts about wire directionality. Dear Fellow Audiophiles, As an electronic engineer, I struggled years ago with the idea of wire being directional because it did not fit into any of the electrical models I had learned. It simply did not make sense to me that an alternating music signal should favor a direction in a conductor. One of the great things about our audio hobby is that we are able to hear things well before we can explain them; and just because we can’t explain something, doesn't mean that it is not real. 

https://www.monoandstereo.com/2020/05/wire-directionality.html#more
tweak1
"I’m enjoying the heck out of watching an oriole eating grape jelly for breakfast."


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"Do all ICs sound alike? Do all speaker cables sound alike?"
Can there be a waiver for the number tested? There must be hudreds and hindreds of combinations. Not practical.
Some IC and  speaker cables are specifically made to have a sound like a tone control. I would say all IC and speaker cable that measure very close would sound the same. 
I guess you could say imagination playing tricks, or our biases confirming what we believe. I have a bias that cables that measure similar sound the same. In a sighted test even if the cables have been altered to obviously sound different I would think they sound the same in an unsighted test I might be able to hear differences. It's just the way humans are wired,  all of us.