6PCS diaphram for JBL 2421 2425 2426 2427 2461 2470 High Quality Aft 8ohm

6PCS/LOT

Overall Diaphragm Diameter:  2.9375" (74.61mm)
Voice Coil Diameter:  1.75" (44.4mm) 
Nominal Impedance: 8 ohms. 

Here is a list of the driver part #'s:
2420, 2421, 2425, 2426, 2427, 2461, 2470 models.*

Here is the list of some of the cabinet model #'s:
3678, 4660, DD55000, S2600, S3100 and many more.