In what way have speakers had a tremendous advancement in the last 20 years? Revel Salon 2 are over 15 years old and are still considered better than most anything according to plenty. Your Sonus Fabers are all paper driver… nothing new. I’m sure they sound fabulous but it’s quality and voicing not necessarily new tech that is groundbreaking.
My perspective as well. I realize it’s a matter of opinion but I don’t hear any “tremendous “ improvement in speakers over the past 20 years timeframe. I will concede that there’s been a turn toward the direction of pursuing and extraction of greater detail.
This can result in a different sonic presentation and signature and yet not necessarily sounding better in an overall sense. For some listeners the hyper detailed sound will be considered a “tremendous “ improvement. For other listeners, not so.
Charles