Ask at Audio Asylum High-Efficiency Speakers Board (Off Topic)
http://www.audioasylum.com/forums/hug/bbs.html
There are some regular posters at the above board who are not only using, but also creating and commercializing new field coil drivers. So you should find the answers you need there.
Or, you can just give up and sell them to me . . . ;-)
Complete thread:
- Field coil HELP !!!!! - GC, 2005-01-23, 22:47
- Field coil HELP !!!!! - GC, 2005-01-23, 23:31
- Ask at Audio Asylum High-Efficiency Speakers Board - GC, 2005-01-25, 01:20
- Field coil HELP !!!!! - Bert, 2007-01-04, 00:49
- Field coil HELP !!!!! - GC, 2005-01-23, 22:57