The sound that no doubt measured best. Of that I have no doubt.I've been maintaining for some time that harmonic distortion should be measured according to a weighting system that assigns a low number to lower ordered spectra and a much higher number to higher ordered spectra, especially the 7th and beyond.
But the flip side of that would be a spec sheet that allowed you to know how the equipment sounds! The industry doesn't want **that** - yikes! We've had the ability to do this for some time, but no collective will.