The Charney Audio Concerto Lumaca with AER BD3 drivers $85k. Full range single driver horns designed on the Tractrix theory. Engaging 3D sound with off the charts imaging, soundstage, highs, mids, and deep articulate bass. The artists are with you in the room. So engaging you get a deeper understanding of the artists intent.
http://charneyaudio.com/the-concerto-lumaca.html
http://charneyaudio.com/the-concerto-lumaca.html