Original Factory Diaphragm BlastKing 72BDUM400B-Dia for BDUM400B Driver, 8 Ohms
Original Factory Replacement BlastKing 72BDUM400B-Dia Diaphragm For BDUM400B Driver Specs:Overall Diameter: 7.48", 190 mmVoice Coil Diameter: 3.9" (99.06 mm) Diaphragm Material: TitaniumNominal Impedance: 8 ohmsDCR: 6 ohms FREE SHIPPING ONLY In the USA & Ship From USA Most Orders Placed Before 2PM and Paid thru' PayPal Are Shipped The Same Day; Monday to Friday.