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I wonder how problematic the triboelectric noise is for audio as most sources are very low Ohmic, usually less than 100 Ohm.
All generated noise, this way, would effectively be 'shorted', even if it has a 1M input R 'loading' the cable as the source and 'load' resistance are in parallel for audio frequencies (and way beyond).
My 50 y.o. old ceramic element record player connected to a 1M input could be another story but I won't be hammering away on that old cable though.
Here is some triboelectric sounds. Zip file you can download. see this post. I believe from memory this was into a microphone preamp with a 3 kohm input impedance.
https://www.audiosciencereview.com/forum/index.php?threads/lets-talk-cables.3439/post-83565
Possible issue with microphone level signals though with nearly all cable not. Not an issue with line level signals that aren't seeing 40-60 db of gain added to the signal. Teflon and silver are the worst combination for triboelectric problems. So of course audiophiles love them.
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