KEF Celebrates Its 60th Anniversary With the All-in-One (And Done) LS60 Floorstanding Wireless Speakers - Twittering Machines
Look familiar? Read the original KEF uni q patent and it'll all make sense. The patent specifically covers the use of the woofer as a waveguide. NOT a coaxial/coincident array per se. :
KEF LS50 Meta: clarity, elegance and refinement - Son-Vidéo.com: blog