This Is a Brand NEW Aftermarket 8 ohm BAG END E500DK DIAPHRAGM. Replacement for the following Speakers TA5000 & TA15 Specs : Overall Diameter: 2.0"--50.8 mm Voice Coil Diameter: 1.25" --32 mm DCR: 5.0 ohms Nominal Impedance: 8 ohm Throat : 1"