Battle of the Open Baffles

I’ve heard several systems with Voxativ field coil drivers and they are remakably dynamic, which is why I am interested in how they sound in PAP systems.  My concern is with how bright and sharp sounding, something I heard with their driver and some other field coil widerange drivers.  I hard similar sound with various Classic Audio field coils and the G.I.P. 4165 12” full range driver.  
Some other field coil full range drivers are smoother and more mellow, such as the ones used in Songer Audio speakers.  The best wide range field coil I’ve heard is the Jensen M-10, a driver that is from the 1940’s.  

Pure Audio Project speakers should be in the battle as well—terrific sounding speakers.

It would be quite hard to ship the quintets as assembled speakers.  It does not look that hard to do the assembly.  They are, to me, very much worth the effort.  I’ve heard the Quintet with the wooden horn midrange/treble module, and the Trio with the coaxial driver module and both struck me as extraordinary for the money.  I do want to hear them with the field coil Voxative module; I’ve heard the Voxativ in other speakers and it is quite a good driver-very dynamic and engaging.  However, the field coil module brings a serious bump up in price.