[. . . ] [. . . ] 20HZ~2KHZ Woofer Cone Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Polypropylene Woofer Magnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ferrite Woofer Basket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Alumina Woofer Surround . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rubber Sealed/Acoustic Suspension OPTIMUM Enclosure Airspace (Unfilled) = 1. 15 ft3 Enclosure Airspace (Filled) = 0. 97 ft3 Fc =61. 9 Hz Thiele Small Parameters Outside Dia Mounting Hole Mounting Depth Sensitivity Max. Peak Music Continuous Power Nominal Impedance Re DC Imp (± 10%) Le V. C. Length Air Gap Piston Diameter Sd Vas Fs Qts Qes Mms Mmd Rms BI Speaker Displacement Xmax Magnet Weight 10" 241mm 152mm 89dB 400W*2 200W*2 1. 9 Ohm (paralleled) 3. 7 Ohm 1. 22 mH@1kHz 2" 30mm 8 mm 215mm 0. 0363 sqM 25. 634 L (paralleled) 45. 479 Hz (paralleled) 0. 4017 (paralleled) 0. 4256 (paralleled) 89. 393 g (paralleled) 85. 416 g (paralleled) 3. 41 kgs-1 (paralleled) 10. 679 TM (paralleled) 39. 93 CM3(paralleled) 11mm 85. 5 oz Vented/Bass Reflex MAXIMUM FLAT Enclosure Airspace = 2. 23 ft3 Fb = 46 Hz F3 = 41 Hz Port Size = 2" I. D. [. . . ] [. . . ]