Anyone used these audio ceramic slow blow fuses from Littlefuse?

Those who engage in bias confirmation are not critical thinkers. Don’t endorse a view simply because it’s consistent with your belief paradigm. It’s lazy thinking and wastes everyone’s time who read your post.

I recently tried the Littelfuse 285 series fuses (1A) in my Benchmark DAC 3, in place of the stock ones. To my ears, the gold plated ones were much richer in midrange tone, with more warmth, and the highs were a bit less extended. Transient attack was less noticeable as well. Very pleasing to listen to with edgy recordings, but missed the upper highs on good recordings. The rhodium plated 285 series in the DAC gave me a similar, beautiful, rich midrange, but more attack than the gold, and very nicely extended upper highs, without the slightly forward sound I was getting with the stock fuses. I did not notice any more or less detail compared to the stock fuses, and nothing better or worse in the soundstage. I'm leaving the rhodium 285 Littelfuses in the DAC, and have been enjoying the system a bit more since, due to the change. I will be trying some 5 amp 285 fuses in my JOB 225 amp next week, and will give you my thoughts on them soon afterwards. 

@celander, you greatly underestimate Roger Modjeski (ramtubes). He uses the parts he finds necessary to achieve superior performance and sound. There is no contradiction between using "improved output transformers" (of his own design) and "High quality components (such as Dale resistors)" while finding other parts to make no audible difference when used in certain applications. If you want to be able to more accurately assess Modjeski’s hypocrisy or lack thereof, watch the videos of his talks at the 2015 and 2018 Burning Amp Festivals, viewable on You Tube. He's forgotten more than I or (I'm assuming) you ever knew about hi-fi electronics and their design.

Call me biased. Wire is wire, regardless of implementation. As long as a wire passes electricity, it’s in play. Electronics theory doesn’t get much simpler than that. 

Here’s another guy who believes audiophile quality fuses make a difference. 

https://youtu.be/kFlnQ1chBno