B&C Speakers 12NBX100-4 12-Inch NEO MID BASS LF Drivers, 4 Ohm, 2000 Watt, Copper Voice Coil, 100mm - Ideal for Live Sound and Studio Monitoring

2000 W continuous program power capacity || 100 mm (4 in) copper voice coil || 40 - 1500 Hz response || 94 dB sensitivity || Aluminium demodulating ring allows a very low distortion figure || Double silicone spider with optimized compliance || Ventilated voice coil gap for reduced power compression

SPECIFICATIONS || Nominal Diameter 320 mm (12.0 in) || Nominal Impedance 4 Ω || Minimum Impedance 4.5 Ω || Nominal Power Handling 1 1000 W || Continuous power handling 2 2000 W || Sensitivity (1W/1m) 3 94.0 dB || Frequency Range 40 - 1500 Hz || Voice Coil Diameter 100 mm (4.0 in) || Winding Material Copper || Former Material Glass Fibre || Winding Depth 25.0 mm (1.0 in) || Magnetic Gap Depth 11.0 mm (0.43 in) || Flux Density 1.1 T

DESIGN || Surround Shape Triple Roll || Cone Shape ExponentialMagnet Material Neodymium Inside Slug || Spider Double Silicone || Pole Design T-Pole || Woofer Cone Treatment TWP Waterproof Both Sides || Recommended Enclosure 40.0 dm3 (1.41 ft3) || Recommended Tuning 50 Hz

PARAMETERS || Resonance Frequency 40 Hz || Re 3.6 Ω || Qes 0.23 || Qms 7.05 || Qts 0.22 || Vas 46.5 dm3 (1.64 ft3) || Sd 531.0 cm2 (82.0 in2) || η₀ 1.27 % || Xmax ± 10.0 mm || Xvar ± 10.0 mm || Mms 133.0 g || Bl 23.04 Txm || Le 1.35 mH || EBP 173 Hz

MOUNTING AND SHIPPING INFO || Overall Diameter 320 mm (12.6 in) || Bolt Circle Diameter 300 mm (11.8 in) || Baffle Cutout Diameter 280.0 mm (11.0 in) || Depth 143 mm (5.63 in) || Flange and Gasket Thickness 12 mm (0.47 in) || Air Volume Occupied by Driver 4.0 dm3 (0.14 ft3) || Net Weight 8.0 kg (17.6 lb) || Shipping Units 1 || Shipping Weight 8.9 kg (19.62 lb) || Shipping Box 360x360x200 mm (14.17x14.17x7.87 in)