2x Diaphragm for JBL 4430 4632 4660 Urei 811C 813C 815C Horn Driver Repair 8Ohm

Overall Diaphragm Diameter:  2.9375″ (74.61mm)
Voice Coil Diameter:  1.75″ (44.4mm) 
Nominal Impedance: 16 ohms

Here is a list of the driver part #’s:
2420, 2421, 2425, 2426, 2427, 2461, 2470 models.  ***It will also fit the LE85 models, 

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