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