Had a nice pair of later Bozak Symphony (CS-4000A), decided to part them out, make some money, and help other people repair their Bozak speakers... .

The Bozak B-199Bc, is one of Bozak's most respected 12" woofers.  It contains a ceramic (ferrite) magnet, which replaced earlier versions of the woofer with alnico magnets. 

Found in many later versions of:

Concert Grand

Symphony

B-302

B-305

I sold the other three woofers as one lot, and held this one back because of the tear in the dust cap, and I'm listing at a discount now. But, that's the only issue with this woofer. 

Works perfectly fine, works as it should.