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Audiophiles Can't Differentiate Audio Signals Sent Through Copper, Banana, and Mud in Blind Test
(www.headphonesty.com)
this post was submitted on 01 Feb 2026
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And optical cables need to be gold plated. Basic audiophile knowledge.
make sure your optical cables are properly magnetized / demagnetized, too
if the cables are running in a north/south direction you want them magnetized with oblong polarity to the Earth's magnetic field, but if they're east/west they shouldn't be magnetized at all to avoid Maxwell-Gauss feedback loops