B&C 8NDL51 8" Neodymium Woofer, 400W 8-Ohm Pro Audio Midrange / Midbass Speaker
Key Features
50 mm (2 in) copper voice coil
70 - 3000 Hz response
94 dB sensitivity
Neodymium magnet allows a very light yet powerful motor assembly
Shorting copper cap for extended HF response
400 W continuous program power capacity
Ventilated voice coil gap for reduced power compression
Specifications
Nominal Diameter 200 mm (8.0 in)
Nominal Impedance 8 Ohm
Minimum Impedance 6.6 Ohm
Nominal Power Handling 200 W
Continuous Power Handling 400 W
Sensitivity 94.0 dB
Frequency Range 65 - 3000 Hz
Voice Coil Diameter 51 mm (2.0 in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 17.0 mm (0.65 in)
Magnetic Gap Depth 8.0 mm (0.31 in)
Flux Density 1.05 T
Parameters
Resonance Frequency 66 Hz
Re 5.3
Qes 0.41
Qms 3.6
Qts 0.37
Vas 14.0 dm3 (0.5 ft3)
Sd 220.0 cm2 (34.1 in2)
1.0 %
Xmax 7.0 mm
Xvar 7.0 mm
Mms 28.0 g
Bl 12.4 Txm
Le 0.5 mH
EBP 160 Hz
Mounting And Shipping Info
Overall Diameter 225 mm (8.8 in)
Bolt Circle Diameter 210 mm (8.3 in)
Baffle Cutout Diameter 187.0 mm (7.4 in)
Depth 90 mm (3.5 in)
Flange and Gasket Thickness 11 mm (0.4 in)
Air Volume Occupied by Driver 1.1 dm3 (0.04 ft3)
Net Weight 1.8 kg (4.0 lb)
Shipping Units 1
Shipping Weight 2.25 kg (4.96 lb)
Shipping Box 255x255x150 mm (10.04x10.04x5.91 in)
Service Kit
RCK008NDL518