Quote Originally Posted by rontec View Post
Funny how one letter makes a huge difference. 808 8("b") can be converted to an 802 8g with a correct diaphragm change. The 808 8("a") can not. Different motor/magnet size.
Actually motor and mag are the same- it's the Tangerine that's the difference. But a letter CAN make a lot of difference.

The 291-16 A is small Alnico motor large format can convert to 288C

16B is big Alnico motor, 16C is big Alnico and Tangerine, convert to 288g and H respectively