4x Diaphragm for EV 81256xx Electro Voice DH1A DH1012 DH1202 D-DH1 8 Ohm From US

Specs:

Overall Diameter:  5" (127 mm)
Voice Coil Diameter:  3" (76.2 mm) Edgewound
Diaphragm Material: Titanium
Diaphragm Height: 15.2 mm
Nominal Impedance:  8 ohms

2pcs

Here is a list of the driver part #'s:
DH1A-8, DH1A-MT-8, DH1AMT-8WP, DH2012-8, N/DYM-1-8, N/DYM-1-MT-8, ND6X-6 and many more.