The B&C Speakers 8FW51 8" pro audio speaker offers high sensitivity and superior transient response.
It is a great choice for high-output PA midrange and midbass applications, whether horn-loaded or as a direct radiator.
Key Features
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400 W continuous program power capacity
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51 mm (2 in) copper voice coil
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70 - 5000 Hz response
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97 dB sensitivity
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Shorting copper cap for extended HF response
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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 Ω
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Minimum Impedance:7.4 Ω
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Nominal Power Handling:200 W
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Continuous Power Handling:400 W
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Sensitivity:97.0 dB
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Frequency Range:70 - 5000 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:Kapton
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Winding Depth:17.0 mm (0.65 in)
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Magnetic Gap Depth:10.0 mm (0.4 in)
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Flux Density:1.35 T
Design
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Surround Shape: Double Roll
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Cone Shape: Exponential
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Magnet Material: Ferrite
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Spider: Single
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Pole Design: T-Pole
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Woofer Cone Treatment: TWP Waterproof Both Sides
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Recommended Enclosure: 12.0 dm3 (0.42 ft3)
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Recommended Tuning:7 4 Hz
Parameters
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Resonance Frequency:74 Hz
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Re:5.2 Ω
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Qes:0.21
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Qms:9.3
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Qts:0.21
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Vas:12.0 dm3 (0.42 ft3)
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Sd:220.0 cm2 (34.1 in2)
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ηâ‚€:2.1 %
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Xmax:6.0 mm
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Xvar:5.0 mm
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Mms:27.0 g
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Bl:17.7 Txm
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Le:0.56 mH
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EBP:352 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 (3.94 in)
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Flange and Gasket Thickness:9 mm (0.35 in)
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Air Volume Occupied by Driver:1.5 dm3 (0.05 ft3)
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Net Weight:5.3 kg (11.6 lb)
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Shipping Units:1
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Shipping Weight:5.75 kg (12.68 lb)
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Shipping Box:255x255x150 mm (10.04x10.04x5.91 in)
Service Kit
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RCK008FW518
