this diaphragm handles the same amount of powerand sounds just like the original!This aftermarket diaphragms are made to JBL 2418 specification. They have the same style titanium domes, voice coils, and formers. This diaphragm can be used in 2418 series such as JBL 2418, 2418H, 2418H-1 EON G2 10-918 etc., and many more.

Overall Diaphragm Diameter:  3″

Voice Coil Diameter:  1.75″ with titanium dome.

Impedance:  8 ohms

Here is a list of the driver part #’s:
2418, 2418-1, 2418-8, 2418H, 2418-H, 2418H-8, 2418H-1

Here is the list of some of the cabinet model #’s:
EON Series:  EON 15, EON POWER15, EON POWER15-G2, EON15P-1/230 
MR Series:    MR902, MR905, MR922, MR925, MR926, MR935, MR938