Living room system: class A or AB amps?

@patrickdowns

For watching TV? Okay....

Not just for watching TV. That's just a by-product because it's in the living room. I regularly enjoy long listening sessions, and that's why I'm spending this kind of money.

P.S. I got the newer Stella Evo's. You referred to the older version of this speaker, now on discount.

hey Robert,
I think you know the answer.... its a trade-off of heat, power cost, whether you feel green, and sound.
Lets begin with the fact that being class A vs AB is not the most important determinant of sound quality.  A high-bias AB design does 99% of what a class A design does, at a 75% power/heat/cost savings.  And a well designed AB will sound better. Only when all other factors are equal does the last 1% matter.  keep in mind also that "AB" covers a wide range of bias levels. Either you understand or i cant explain it succinctly here (but am happy to offline).
if you are talking tubes, its a bit clearer, but would one leave tubes on 24x7 anyway? I hope not.
Maybe I'm falling bait to a joke, but listen and evaluate against the practical impact of electricity and heat. I personally cant justify wasting that much power since my amps achieve the vast majority of their warm up in about 30 minutes.  But then again, it was a design goal.
G

To OP, If I had just spent 100K or 65K on sale for that matter. I would think it a no-brainer to jump on a plane and go to the highest of the high-end dealerships who sells Focal and audition amps in a large space. Obviously you're going to spend the dough it takes to get the rest of it correct, meaning to YOUR liking.  Good luck...let us know.
Regards,
barts

Turn on the AC and enjoy the music.  Those are quite nice speakers that justify good amplification at big cost.  Heat may be hard to avoid and Class D may not sound right.

I have to agree with Millercarbon. Purchase on sound, not the class.