15 inch SUBWOOFER SPEAKER(PB15S100)

General Specifications Nominal Diameter 15 inch Rated Impedance 8 ohm Nominal Power handling1 600 Watts Program Power2 1200 Watts Sensitivity(lw/lm)3 97 dB Frequency Range4 37~1.8K Hz Minimum Impedance(Zmin) 7.6 ohm Voice Coil Diameter 4 inch Voice Coil Material Copper Former Material Glass Fiber Voice Coil Winding Depth 24 mm Number of layers 2(Inside/Outside) Magnet gap depth 14 mm Basket Cast Aluminum Flux Density 1 T Magnet Material Ceramic Thiele-Small parameters Resonance frequency Fs 45 Hz DC resistance Re 5.4 ohm Mechanical factor Qms 11 Electrical factor Qes 0.28 Total factor Qts 0.28 Mechanical compliance Cms 0.09 mm/N Mechanical resistance of suspension losses Rms 3.7 mech-ohm Effective Moving Mass Mms 145 gr Half-space efficiency Eff 2.8 % BL Factor BL 25.4 T.m Equivalent Cas air load Vas 92 liters Effective piston area Sd 0.0871 m2 Max.linear excursion5 Xmax 8.5 mm Voice coilinductance Le1K 2.4 mH Efficiency Bandwidth Product EBP 161 Mounting Information Overall Diameter 393.5 mm Bolt Circle Diameter 373 mm Bolt Hole Diameter 6.5 mm Baffle Cutout Diameter 356.5 mm Overall Depth 179 mm Net Weight 12 kg Shipping Weight 13.7 kg Shipping Box 420x420x210 mm