With that setup I'd go tubes all through. The Jadis 30, as suggested above has not enough power. Within your price range the Antique Sound Lab Hurricane monos,($4400 new) which HP raved about in TAS, would be ideal, I find. Don't go for less.....
My vote goes for Classe but consider a tube preamp or D/A, I ended up with a tube D/A over the tube preamp, also you may consider bi-amping which helped for me as the system is more musical, synergy... Happy Listening!
Atma-sphere OTL. Very dimensional and rich. The antithesis of lean. No grain. Somewhat soft on the bottom (except MA-2) but not lacking in quantity. Extremely musical sounding. There are more but I could not resist mentioning this one.
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