GENERAL || Brand : B&C Speakers || Model Number : ALT15NW768M | 15NW76-8 || UPC : 8059300642702 | 718852125047 || FEATURES || 1200 W continuous program power capacity || 76 mm (3 in) copper voice coil || 40 - 2000 Hz response || 100.5 dB sensitivity || Aluminium demodulating ring allows a very low distortion figure || Neodymium ring magnet assembly || Double silicone spider and ventilated voice coil gap || "

"SPECIFICATIONS || Nominal Diameter : 380 mm (15 in) || Minimum Impedance : 6.9 ? || Continuous Power Handling : 1200 W || Frequency Range : 40 - 2000 Hz || Winding Material : Copper || Winding Depth : 19 mm (0.75 in) || Flux Density : 1.3 T || Nominal Impedance : 8 ? || Nominal Power Handling : 600 W || Sensitivity : 100.5 dB || Voice Coil Diameter : 76 mm (3 in) || Former Material : Glass Fibre || Magnetic Gap Depth : 11 mm (0.43 in) || Woofer Cone Treatment : TWP Waterproof Both Sides || "

"PARAMETERS || Fs : 42 Hz || Qes : 0.23 || Qts : 0.22 || Sd : 855 cm² (132.5 sq²) || Xmax : 8 mm || Mms : 104 g || Le : 1.25 mH || Re : 5.3 ? || Qms : 4.3 || Vas : 130 dm³ (4.5 ft³) || ?0 : 4.4 % || Xvar : 10 mm || Bl : 25.5 Tm || EBP : 183 Hz || "

"DESIGN || Surround Shape : Triple Roll || Magnet Material : Neodymium Ring || Pole Design : T-Pole || Recommended Enclosure : 90 dm³ (3.18 ft³) || Cone Shape : Exponential || Spider : Double Silicone || Woofer Cone Treatment : TWP Waterproof Both Sides || Recommended Tuning : 53 Hz || "

"MOUNTING AND SHIPPING INFO || Overall Diameter : 393 mm (15.5 in) || Baffle Cutout Diameter : 354 mm (13.9 in) || Flange and Gasket Thickness : 16 mm (0.62 in) || Net Weight : 5.6 kg (12.3 lb) || Shipping Weight : 6.9 kg (15.21 lb) || Bolt Circle Diameter : 374 mm (14.7 in) || Depth : 177 mm (7 in) || Air Volume Occupied by Driver : 3.7 dm³ (0.13 ft³) || Shipping Units : 1 pcs || Shipping Box : 425x425x224 mm (16.73x16.73x8.82 in) || "

B&C 15 In ND WOOFER