The pass labs 250 is verygood I am thinking about buying it has the verywell known 250.8 amplifier inside I have heard it a bunch of times , the only one imo
thatbests it is the gryphon Diablo300. Which now is even better with the new 330 model but retail $25 k is a lotof $$.
I heard the new Luxman 570Z. Which is very musical and retail $9 k
my friend got his for less at Perrotta consulting its110 wpc into 8ohmsand 210 into 4 weighs 56 lbs .the pass labshuge heat sinks weighs105 all depends how power hungry your speakers are.