Only one of those is a “technicality”, resolution, the others are perceptions, not technicalities.In my experience, the jump from mid-tier to TOTL usually brings better technicalities—like soundstage, resolution, and layering
They started ceasing to be real in the 1970’s, even before digital audio was released to consumers and today, the jump from mid-tier to TOTL commonly brings worse resolution.but diminishing returns are real.
What gap, do you have any reliable evidence to support your claims?Sometimes smart pairing (DAC/amp/source) can close the gap more than just upgrading gear.
G