B&C Speakers 8FW51

ĐẶC ĐIỂM NỔI BẬT SẢN PHẨM

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: 74 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 in 2)
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 ft 3)
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)

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