What is the science behind audiophile fuses?


There were many threads on the topic of "audiophile fuses" on this forum, and I sure don't want to open old wounds and trench warfare. The fuse on my preamp blew suddenly two days ago, which prompted me to search for a replacement. That's when I came across the term "audiophile fuse" and the fact that they demand far-out prices. Deeper curiosity brought me to several other fora, where users posted glowing praises about their Zero fuses and other exotica. Now I am a scientist, but not a physicist or electrical engineer: so please enlighten me! How can a fuse have an audible influence on the signal, when the signal does not even pass through it? How can a fuse be "directional" when it deals with alternate current? I mean, if I recall my university physics, a fuse is basically a safety valve and nothing more. Am I completely missing an important point here? My scientific field is drug discovery, and because of this background I am thoroughly familiar with the power and reality of the placebo effect. I that's what I am seeing here, or is it real physics? I need objective facts and not opinions, please. I really appreciate your help!

 
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@mitch2 ,

What is an in wall magnetic breaker going to do that the breaker in your panel isn’t?

For that matter, what is one of those Swiss Digital Fuse Boxes doing that the breaker in your panel can’t? Also, what makes it Swiss, does it yodel when it goes off or something??!

Aren’t they all doing the exact same thing, whether they’re attached to the power cord, at the outlet, or in the breaker box?

 

@mapman ,

That’s the most plausible answer I can come with, too.

If something is going to fry inside your amp for whatever reason, how is any safety device placed outside your amp going to prevent that?

I’m totally open minded here, I’d just like someone to explain it to me.

@mitch2 ,

Sorry man, rereading how I wrote that sounds like I’m getting onto you about what you’re considering. That’s in no way the case. It's actually a general question to anyone who has a plausible explanation.