4x B&C 8FW51 8" Mid-Range / Mid-Bass Speaker 400W 8-Ohm PA Woofer 97dB 70-5000Hz

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

• 400 W continuous program power capacity
  

• 51 mm (2 in) copper voice coil
  

• 70 - 5000 Hz response
  

• 97 dB sensitivity
  

• Shorting copper cap for extended HF response
  

• Ventilated voice coil gap for reduced power compression
  

Specifications

• Nominal Diameter:200 mm (8.0 in)

• Nominal Impedance:8 Ω

• Minimum Impedance:7.4 Ω

• Nominal Power Handling:200 W

• Continuous Power Handling:400 W

• Sensitivity:97.0 dB

• Frequency Range:70 - 5000 Hz

• Voice Coil Diameter:51 mm (2.0 in)

• Winding Material:Copper

• Former Material:Kapton

• Winding Depth:17.0 mm (0.65 in)

• Magnetic Gap Depth:10.0 mm (0.4 in)

• Flux Density:1.35 T

Design

• Surround Shape: Double Roll

• Cone Shape: Exponential

• Magnet Material: Ferrite

• Spider: Single

• Pole Design: T-Pole

• Woofer Cone Treatment: TWP Waterproof Both Sides

• Recommended Enclosure: 12.0 dm3 (0.42 ft3)

• Recommended Tuning:7 4 Hz

Parameters

• Resonance Frequency:74 Hz

• Re:5.2 Ω

• Qes:0.21

• Qms:9.3

• Qts:0.21

• Vas:12.0 dm3 (0.42 ft3)

• Sd:220.0 cm2 (34.1 in2)

• η₀:2.1 %

• Xmax:6.0 mm

• Xvar:5.0 mm

• Mms:27.0 g

• Bl:17.7 Txm

• Le:0.56 mH

• EBP:352 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:100 mm (3.94 in)

• Flange and Gasket Thickness:9 mm (0.35 in)

• Air Volume Occupied by Driver:1.5 dm3 (0.05 ft3)

• Net Weight:5.3 kg (11.6 lb)

• Shipping Units:1

• Shipping Weight:5.75 kg (12.68 lb)

• Shipping Box:255x255x150 mm (10.04x10.04x5.91 in)

Service Kit

• RCK008FW518