This is an aftermarket JBL diaphragm that fits many JBL models. Our diaphragm is rated for the same amount of power and sounds just like the original JBL 2418 diaphragm.

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

We are a JBL factory authorized service center and use this part frequently. No soldering needed and the diaphragm is self centering for an easy install. Any questions, just let us know.