Tweeter Diaphragm 8 ohm for 2418, 2418-1, 2418-8, 2418H

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

Also fit for the following model 

All 2418 series including 2418-8, 2418H, 2418H-8 and 2418H-1, D8R2418, D8R2418-1, D8R2418H-1, MR902, MR922, MR905, MR925, 3622N, 3632M-HF, 3632M-HF-T, 3677S, 3722HF, 3722N-HF, 4425LR, AC2212/00-WH, AC2215/00-WH, CAB55, EON series, EON G2, EON15, EON 15P-1/230, EON POWER15, EON15-G2, EON15P, MR922, MR926, MR935, MR938, MS112-WH, MS115-WH