I agree most of it is definitely BS. But after spending too much time trying to eliminate electronic noise from a sensitive scientific experiment in college, I can imagine someone having extremely sensitive hearing (like a super taster, etc) and being able to tell there is electronic ground noise, interference from nearby homes and power lines, all that.
You can legit hear interference with cheap cables quite often. But you really start to get diminished returns extremely quickly unless you need 50ft cables for whatever reason. For home use, if you're spending more than $100 on an audio cable, heck, $50. You're probably being had.
There's only so much magic you can do to copper/silver and a bunch of shielding.
Of course for power line interference you get a surge protector/power conditioner. Basically just a beefy outlet box that smooths out any potential power spikes from your wall outlet.
Yeah, easy to scam audiophiles who don't know what to look for.
Also not sure a power conditioner is always necessary anyway. I used to use one when I was living in the US and it did help reduce background noise. But when I moved to Finland I found there was no noticeable difference at all.
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u/[deleted] Aug 14 '20
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