Fieldcoil drivers


Is anyone besides Classic Audio using the Fieldcoil drivers or woofers in their loudspeakers?
seadogs1
Kondo (cybwiz.blogspot.com/2011/02/kondo-field-coil-speakers.html)
Maxonic (http://www.sibatech.co.jp/maxonic/system.html)
OMA AC1 (http://www.oswaldsmillaudio.com/Products/AC.html)
http://www.lmaudio.net/html/speaker/lm-3.html

available in Calgary Alberta at Loyalty Sound.
The new HIFICRITIC has a review of the Feastrex NfSex, a 5" full range driver. Quite expensive with the frequency limitations you would expect but with considerable charm. Designed and built by a Japanese audiophile named Haruhiko "Hal" Teramoto.