I do not know but it is certainly a contribution to the feature race among competitors. See: we are talking about it!As impressive as the drivers are I wonder how much is over engineering and actually necessary for residential applications? The higher efficiency is a big deal if it actually helps with component matching, but how loud do you have to play these before reliability becomes an issue. I've baked a few tweeters along the way but never a mid or tweeter. Or to phrase it another way, does the dual basket, magnet, voice coil make them sound better?
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