8PCS Diaphragm For EV Electro Voice 800810100 ND2-8 ND2S-8 ZX3 ZX5 TX2152 Horn

Specs:

Overall Diameter: 3.125″ ( 79.38mm)

Voice Coil Diameter: 2″ ( 50.80mm) 

Diaphragm Material: Titanium

Nominal Impedance: 8ohms

Here is a list of the driver part #’s:

ND2-8 and ND2S-8.