Diaphragm Specs

Overall Diaphragm Diameter:  4.5″

Voice Coil Diameter:  2″ with titanium dome.

Impedance:  8 ohms

UK	12-20 working days
Australia ,Canada	12-25 working days
Asia	18-22 working days
Europe and Others	22-35 working days

           USA                10-15 working days