12 NW 76---12NW76 LF Drivers - B&C Speakers

specifications

More Info 12 NW 76—12NW76 LF Drivers – B&C Speakers
Nominal Diameter 320 mm (12.0 in)
Nominal Impedance 8 Ω
Minimum Impedance 6.9 Ω
Nominal Power Handling 500 W
Continuous Power Handling 1000 W
Sensitivity 98.5 dB
Frequency Range 40 – 2000 Hz
Voice Coil Diameter 76 mm (3.0 in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 19.0 mm (0.75 in)
Magnetic Gap Depth 11.0 mm (0.43 in)
Flux Density 1.3 T
Surround Shape Triple Roll
Cone Shape Exponential
Magnet Material Neodymium Ring
Spider Single
Pole Design T-Pole
Woofer Cone Treatment TWP Waterproof Both Sides
Recommended Enclosure 50.0 dm3 (1.77 ft3)
Recommended Tuning 60 Hz
Resonance Frequency 40 Hz
Re 5.3 Ω
Qes 0.17
Qms 3.7
Qts 0.16
Vas 76.0 dm3 (2.7 ft3)
Sd 522.0 cm2 (80.9 in2)
η₀ 2.8 %
Xmax ± 8.0 mm
Xvar ± 10.0 mm
Mms 77.0 g
Bl 25.5 Txm
Le 1.25 mH
EBP 235 Hz
Overall Diameter 315 mm (12.4 in)
Bolt Circle Diameter 298 mm (11.7 in)
Baffle Cutout Diameter 283.0 mm (11.1 in)
Depth 147 mm (5.8 in)
Flange and Gasket Thickness 14 mm (0.55 in)
Air Volume Occupied by Driver 2.5 dm3 (0.08 ft3)
Net Weight 4.9 kg (10.8 lb)
Shipping Units 1
Shipping Weight 5.8 kg (12.79 lb)
Shipping Box 360x360x200 mm (14.17×14.17×7.87 in)
Recone kit RCK12NW768

*All specifications are subject to change without notice.