B&C 8NW51 8" Neodymium Woofer 400 Watts 8-Ohm
It's recommended for compact 2-way speaker systems or as the midbass/midrange element in high-output 3-way and 4-way designs. High BL and sensitivity combined with a low Qts make this an ideal driver for horn-loaded applications.
Compact, versatile, and reliable, the B&C Speakers 8NW51 8" woofer uses its strong neo magnet and FEA-optimized motor structure to produce solid bass and clean midrange.
Highlights
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Great for line arrays and horn loading
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Neodymium magnet assembly
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Ventilated voice coil gap for reduced power compression
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Inductance-reducing copper cap on pole piece extends HF response
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2" copper voice coil on fiberglass former
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400 watts continuous program power capacity
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70 - 3,000 Hz response
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 7.7 Ohm
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Nominal Power Handling 200 W
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Continuous Power Handling 400 W
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Sensitivity 96.5 dB
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Frequency Range 70 - 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 19.0 mm (0.73 in)
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Magnetic Gap Depth 10.0 mm (0.4 in)
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Flux Density 1.3 T
Parameters
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Resonance Frequency 74 Hz
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Re 5.2
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Qes 0.19
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Qms 2.7
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Qts 0.17
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Vas 11.0 dm3 (0.4 ft3)
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Sd 220.0 cm2 (34.1 in2)
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2.4 %
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Xmax 6.0 mm
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Xvar 6.0 mm
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Mms 28.0 g
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Bl 18.9 Txm
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Le 0.4 mH
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EBP 389 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 100 mm (4.0 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 3.0 kg (6.6 lb)
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Shipping Units 1
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Shipping Weight 3.45 kg (7.61 lb)
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Shipping Box 255x255x150 mm (10.04x10.04x5.91 in)
Service Kit
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RCK008NW518
