B&C DE620 Studio Subwoofer

"B AND C 1.4-inch HF Driver Neo 8 ohms w/Titanium diaphragm & Neodymium Magnet - DE620 DE620-8 includes post bolts, 160 W continuous program power capacity, 1.4-in horn throat diameter, 65 mm (2.5 in) aluminum voice coil, Titanium diaphragm 1000 - 18000 Hz response, 107 dB sensitivity, Neodymium magnet assembly w/shorting copper cap, Throat diameter, 36 mm (1.4 in), Nominal impedance 8 ohms Minimum impedance 8.0 ohms Nominal power handling 110 Continuous power handling 220 W Sensitivity (1W/1m) 108.0 dB Frequency range 1 - 18 kHz Recommended crossover 1.2 kHz Voice coil diameter 75 mm (3.0 in) Winding material Aluminum Inductance 0.14 mH Diaphragm material Composite Polyimide/Titanium Flux density 1.85 T Magnet material Neodymium Ring"