B&C Speakers 12FW76

ĐẶC ĐIỂM NỔI BẬT SẢN PHẨM

Specifications

Nominal Diameter: 320 mm (12.0 in)
Nominal Impedance: 8 Ω
Minimum Impedance: 6.8 Ω
Nominal Power Handling: 500 W
Continuous Power Handling: 1000 W
Sensitivity: 100.0 dB
Frequency Range: 55 - 3000 Hz
Voice Coil Diameter: 76 mm (3.0 in)
Winding Material: Copper
Former Material: Glass Fibre
Winding Depth: 19.0 mm (0.75 in)
Magnetic Gap Depth: 11.0 mm (0.43 in)

Design

Surround Shape: Triple Roll
Cone Shape: Exponential
Magnet Material: Ferrite
Spider: Single
Pole Design: T-Pole
Woofer Cone Treatment: WP Waterproof Front Side
Recommended Enclosure: 40.0 dm3 (1.41 ft 3)
Recommended Tuning: 65 Hz

Parameters

Resonance Frequency: 54 Hz
Re: 5.1 Ω
Qes: 0.18
Qms: 3.8
Qts: 0.18
Vas: 45.0 dm3 (1.6 ft 3)
Sd: 522.0 cm2
(80.9 in 2)
η₀: 3.7 %
Xmax: 7.0 mm
Xvar: 10.0 mm
Mms: 75.0 g
Bl: 26.4 Txm
Le: 1.4 mH
EBP: 300 Hz

Mounting and Shipping Info

Overall Diameter: 315 mm (12.4 in)
Bolt Circle Diameter: 298 mm (11.7 in)
Baffle Cutout Diameter: 283.0 mm (11.1 in)
Depth: 147 mm (5.79 in)
Flange and Gasket Thickness: 12 mm (0.47 in)
Air Volume Occupied by Driver: 3.0 dm3 (0.1 ft3)
Net Weight: 8.5 kg (18.7 lb)
Shipping Units: 1
Shipping Weight: 9.4 kg (20.72 lb)
Shipping Box: 360x360x200 mm (14.17x14.17x7.87 in)

Features

1000 W continuous program power capacity
76 mm (3 in) copper voice coil
55 - 3000 Hz response
100 dB sensitivity
Aluminium demodulating ring allows a very low distortion figure