Nice video, Steve. Would be great to hear more technical topics like this one! Speakers built with mid-side processing are really fun to listen to.
Is the center transducer really a coax on the 20? That would be an epic upgrade in case B&O decided not to carry over the whizzer-coned 5″ fella found in the 15 and 17.
Here’s a shot from a BeoLit 15:
Not that this woofer is bad at all – rather the best part of the BeoLit probably. Check out that motor!