Fuse upgrade from factory.....

Don't mind koost. He's a First Watt nut job. By the way, the very same recording engineer bought a First Watt amp some time ago and said it was one of the worse sounding amps he's heard. 

All the best,
Nonoise

nonoise. . . I tried out three different fuses that I had laying around on my Kinki EX-M1 integrated. They all sounded different.

Coincidentally, I recently did the same thing with my Class A SS amp. I have the stock glass fuse, a SR Black and a SR Blue - all burned in. Changing the fuses was almost like like tube-rolling. Very subjective.

For the past few years, I’ve been tweaking the cabling and power conditioning. As the power gets cleaner and cleaner, the effect of the fuses becomes more obvious. A well-mic’d piano is the reference for my listening. I’m leaning going back to the stock glass fuse. TBD.

bacardi:
The Cable Company is excellent to do business with. If the Black fuse does not achieve what you want, they will take that fuse back without any problems.
David Pritchard

how complicated is it to change fuses on the Pass amp and pre, and the PS Directstream gear ? Thanks

jl35"how complicated is it to change fuses on the Pass amp and pre, and the PS Directstream"

Just open them up and you will find out they are right their to be replaced!