macdad, every device is designed to use a particular value fuse in terms of how much current will pass before blowing out.
The risk with audiophiles is forgetting what the primary purpose of a fuse is: to protect the equipment from accidental damage. Its a safety device first, an audiophile tweak second. I’m not sure how much attention teh companies selling fuses based on how they sound pay attention to making sure they work properly to-spec, which is the first most important thing.
If a device requires a certain rating fuse and it blows consistently, then either there is a problem with the device or the fuse. You want to change to a different fuse of the correct rating. Going to a higher rated fuse that passes more current is the wrong thing to do. It could result in damage to your expensive gear. All for a freaking hifi fuse!!!!!