I'll take back my comment on lack of mid-range beaming. I spent another 30 minutes listening on and off axis, and the Yumi's do beam, with a notable and negative change in tonality off-axis. I don't know enough about crossover design to speculate, but I can see why speaker companies might want to do a 3 way design if space allows.
I made some changes to my original gallery posting, moving the AVR to the bottom shelf for better ventilation and the center speaker sideways and at the same horizontal level as the main speakers. I didn't do so before because I needed to do some drilling to accommodate the new shelving position.
