Diaphragm for JBL 4674 4675 2445-J Speaker Horn Driver Premium 16 Ohms Alumnium

Overall Diaphragm Diameter: 5″ (127mm)

Voice Coil Diameter:  3.91″ (127mm)
Diaphragm Thickness:0.05mm
Diaphragm Height:18.4mm

Nominal Impedance:  16 ohms

Here is a list of the driver part #’s:
2446J, 2447J, 2450J, 2451J, 2452J (will not fit this model with spring terminals) and more.