@fredorama Um the OP posted this in 2019. Before your post the last post was in 2020.
Reading is fundamental. With all due respect, Merry Christmas.
Here's a list of ultimate Integrated amps between 30-50K for people who want a simple rig with no compromise :
Dan D'agostino Momentum IntegratedAudionet HumboldtVitus SIA-30CH Precision I1Aavik U-380Jeff Rowland Daemon
Soulution 530
Feel free to add others that you know of or share your experience if you own one of them.Cheers