Thiel cs2.3

Pass Labs Aleph 3 for that pure class A sound that knocks on the 300b door but drives much harder. 

unsound

I didnt think the Aleph 3 would be a good match with my Vandersteen Quatros but it drives them with no problem and sounds heavenly.

There is also this since you're drawing from reviews..  "Speaking of speakers, this baby appears to be stable into any load, all the way down to a dead short across the speaker terminals!"

Not everything can be derived from measurements...