General Specifications Nominal diameter - 10", 254mm Power rating - 200W Nominal impedance - 8 Sensitivity - 94dB Magnet type - Ferrite Voice coil diameter - 2", 50.8mm Coil material - Copper Cone material - Kevlar loaded paper Former material - Polyimide Surround material - Cloth-sealed Frequency range - 45-3500Hz Xmax - 0.15", 4mm Gap depth - 0.31", 8mm Voice coil winding width - 0.62", 16mm Small Signal Parameters D - 0.21m/8.3in Fs - 68Hz Mms - 32.9g/1.16oz Qms - 2.54 Qes - 0.53 Mmd - 29.26g/1.03oz Qts - 0.44 Re - 6.03 Vas - 25.8lt/0.91cu. ft. BI - 12.88Tm Cms - 0.15mm/N Rms - 5.79kg/s Le (at 1kHz) - 0.92mH Mounting Information Cut-out diameter - 9", 229mm Diameter - 10.1", 256mm Mounting slot dimensions - 0.24x0.31", 6x8mm Ø Mounting slot PCD - 9.6", 245mm Number of mounting slots - 4 Overall depth - 4.3", 110mm Unit weight - 6.6lb, 3kg