I read about the perceived sound changes, and then I see stuff about how the cables are made, and how this and that might cause a difference. What I don’t see is anything that gives an in depth explanation with any real substance to it of just how the changes in cable construction effect the performance of the connected equipment, and how that relates to audible perception. Something interesting would be to show a phase shift or frequency response shift or change in noise and distortion that is known to be in the audible range. If none of those things are being changed, what else might be causing a change? If you aren’t doing a double blind test, then you absolutely cannot rule out listener bias, which can have a very powerful effect on audio perception in my experience. Our brain actively tries to interpret what it hears based on other things it knows about what’s being listened to. It works that way with smell too. My office manager told me she was mortified that someone came in to the office with horrible body odor. She was practically choking on each breath. She turned around to see who it was, and saw that it wasn’t body odor, but some fresh cooked food with a lot of onions in it. Suddenly it smelled just fine to her!
I should add to this that if you aren't doing blind testing, but you can show measurements showing response differences that are known to be in the audible range, then there's really no need to do blind testing. I've perceived differences in equipment and was able to verify those differences with measurements. There's no reason to go further with blind testing.
