*Nominal Basket Diameter 10″, 254 mm *Nominal Impedance* 8 Ω *Power Rating* *Program Power 1000 W *Watts 500 W *Resonance 46 Hz *Usable Frequency Range 102 Hz – 2 kHz *Sensitivity* 97 dB *Magnet Weight 80 oz.* *Gap Height 0.375″, 9.5 mm *Voice Coil Diameter 3″, 76 mm