Feature●Nominal Impedance:16 ohms / DCR:12 ohms●Diaphragm Material: Titanium / Diaphragm Height: 15.2 mm●Overall Diameter: 5" (127 mm) / Voice Coil Diameter: 3" (76.2 mm) Edgewound●This is a high quality aftermarket diaphragm.Description This is a high quality Compatible Aftermarket Replacement diaphragm that fits many Electro Voice models. Here is a list of the driver part #s: DH1A-16, DH1A-MT-16, DH1AMT-16WP, DH2012-16, N/DYM-1-16, N/DYM-1-MT-16, ND6X-16 and many more.