Anything SS sounds better than D'Agostino ?

Caveat: I’ve only heard these at shows. While both were excellent, on sound alone; I’d have to give the edge to the Gryphons.

The problem is, if you aren't listening to the amps in the exact same system, changing only the amps and absolutely nothing else, we are all speculating.

Because in separate systems, as you know, you are listening to everything else also.  Cables, source, room, power coming in, speakers, etc.  It doesn't matter that you are listening to the same recording.  you are also listening to everything else.

I know, what can you do?  But, I just want to be clear.  Luxman, Gryphon, Audio Research better?  How could you possibly know? 

but, take that amp in a system, play your favorite music, set the level.  replace the amp with Gryphon, adjust the level to match, then play the same music.  Making sure the levels are matched.  Do you hear differences?  probably, but better?  maybe different.  That is the fun part.

Problem is many dealers don't carry what you want and if they do, would they let you take it home to try in your system versus your own amp?  They should.  for high end, very expensive equipment like this, they definitely should.

Audio shows are a good way (when they restart), but you are still listening in different rooms with different equipment.  Not an apples to apples comparison.

enjoy

George, I don’t know Antillion amps and I’m sure they are great, but 7500W into 0.25ohms requires 173 amperes? What kind of power supply can deliver 173 amperes?

I’ve usually found the Danes don’t bullshit about their measurements.

Yes it is impressive to look at my friend owns one, and that was peak wattage, somewhere independent backed it up also, (can’t find it) with that same peak amperage also that you stated.
And if you think that’s impressive, their Mephisto monos can do 9000w!!!! peak into 0.25ohm
https://gryphon-audio.dk/wp-content/uploads/2020/05/Tech.-Spec.-ALL-Products-05032020.pdf

My amp can do similar to those Antillion
https://ibb.co/kykX0f9
https://ibb.co/th0BxN7
https://ibb.co/6sHg80T

Cheers George

I'm good with my little Pass xa25.  Take Sugden for example one dealer that i know of in US.  Service? Is a brand still in business or will they be around?  Those are questions i would ask unless it doesnt matter and you just replace.  

As others have noted, you evaluate equipment using YouTube? Come back when you're serious.