I've not heard a Muse 3 in person, but the specs look very promising. Others you might consider listening to are a Sonic Frontiers Line 3, or a Levinson No.38S.
Opinions on Muse 3 premp wanted
I have listen the Muse 3 pramp with seppower supply and I think its great.Any opinions? Which other pramp should I try to listen at in the same price range 2600$? BAT VK3i? My pwer amp is Pass Aleph 5.