Well, I can't say which way is correct on the PS Audio, but it's worth getting the direction correct. I heard a pretty clear improvement with HiFi Tuning fuses when I got the direction right. Worth the effort
I use these fuses to excellent effect in my vintage Sansui tuners and directionality makes an obvious difference. Why would it make a difference on e.g., interconnects but not fuses?
Because interconnects sit in a DC circuit, where current flows in one direction. The fuse on the PWD sits in an AC circuit meaning the polarity switches 60x per second. How can directionality of a fuse make a difference when the direction of the current flowing through that fuse changes direction 60x per second?
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