Thanks for reminding us of this.
Contemporary Harman has been led by science and bean counters. If the design team couldn't show the bean counters proof that charge coupling resulted in a measurably superior design at a lower cost than the alternatives, then they must have shown the benefits in their controlled double blind listening tests.
The bean counters wouldn't sign off on the added expense of CC crossovers if they weren't convinced of its being superior... or a superior marketing pitch. To the best of my knowledge none of Harman's marketing has featured CC technology or given it any more than a passing mention. So, I don't think they were playing the snake oil game like so many in this industry.
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