I’m sure the Primaluma line is excellent based on what I have read but have never listened to. If you are looking at value, dependability and performance you might also consider Music Reference, Jolida (mentioned by Wolf), Rogue and Quicksilver as well. All excellent performers and sensibly priced for the common man. I've had numerous tube amplifiers over the years and never have I had one more satisfying than the Quicksilver monos I currently listen to, they are gems.
Can’t comment on why anyone might consider that somehow a 35K amplifier would perform better than one at a fraction of the cost but that should be left up to the guys and dolls willing to write the check. I’ve never come to any profound realization that higher price necessarily equates to better performance, sometimes yes sometimes no IME. There are a lot of variables in this hobby which contribute to the end result which is part of the fun.
Can’t comment on why anyone might consider that somehow a 35K amplifier would perform better than one at a fraction of the cost but that should be left up to the guys and dolls willing to write the check. I’ve never come to any profound realization that higher price necessarily equates to better performance, sometimes yes sometimes no IME. There are a lot of variables in this hobby which contribute to the end result which is part of the fun.