Hahahahahahha
for a fuse?
snake oil and major profit!

  People will pay anything if their told 

   Sounds like ...
crazy people. 
Lest we forget, it has been stated many times that Synergistic will replace blown fuses.
Yes it’s much better for "snake oil manufacturers" to hang on to your $150 and give you another 10c fuse instead, they could keep doing that many times and still be in front
I remember as a Electronics Engineer designing and building Electronics for the Navy, we had a saying that a five thousand dollar part will protect a five cents fuse by blowing first.  I can't tell you the number of times that the expensive part fried before the correctly spec'd fuse was suppose to blow.

just a side note on the path to enlightenment.

enjoy
Most of the fuses in audio equipment is there as a safety measure not to protect the equipment, but to prevent fire. A fuse might blow before damage to the equipment but that's not what the primary purpose is.
I think this thread answers the question of the "Where Are The Young Audiophiles" thread.
The Millenials suffered through the Great Recession and a huge increase in college tuition; disposable income for many of them is illusionary.


Gen Z's are content with instant access to libraries of playlists on devices costing three figures at most.


The idea of a $2500 fuse is simply out-of-bounds.