This is an interesting list, Jeff. But it’s a bit problematic.
Looking for the best speakers, dome and cone only, is like picking the highest performance car, but arguing it needs to be naturally aspirated. It’s possible to set such rules, but that basically would mean forgoing the major developments in performance car evolution in the past 20-30 years. Therefore, the question is whether it’s meaningful.
In terms of speakers, it’s the tweeter that poses the biggest challenge. While there are good dome/ cone tweeters, e.g. of the diamond-coated or other Beryllium variety, they just are not on par with the best in the industry. E.g. most ribbon, amt, electrostat, radial or plasma tweeters outplay them with ease (horns are mostly just domes behind a megaphone).
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