This Is A Brand New Aftermarket Yorkville Elite E12, E15, E210B, NX-750 Speakers Replacement Diaphragm 8 ohms Please Look And Make Sure The Diaphragm You Are Ordering Matches The Pictures Above & The Specs Below Specs: Overall Diaphragm Diameter: 2.76" (70.2mm) Voice Coil Diameter: 1.50" (38.1mm) DCR: 6 Ohms Nominal Impedance: 8 ohms