12″ B&C Woofer FW76 4Ω|8Ω

Aprašymas

Specifications

Nominal Diameter: 320 mm (12 in)
Minimum Impedance: 6.8 Ω
Continuous Power Handling: 1000 W
Frequency Range: 55 Hz – 3000 Hz
Winding Material: Copper
Winding Depth: 19 mm (0.75 in)
Flux Density: 1.35 T
Nominal Impedance: 8 Ω
Nominal Power Handling: 500 W
Sensitivity: 100 dB
Voice Coil Diameter: 76 mm (3 in)
Former Material: Glass Fibre
Magnetic Gap Depth: 11 mm (0.43 in)
Woofer Cone Treatment: WP Waterproof Front Side

Parameters

Fs: 54 Hz
Qes: 0.18
Qts: 0.18
Sd: 522 cm² (80.9 in²)
Xmax: 7 mm
Mms: 75 g
Le: 1.4 mH
Re: 5.1 Ω
Qms: 3.8
Vas: 45 dm³ (1.6 ft³)
η₀: 3.7%
Xvar: 10 mm
Bl: 26.4 Tm
EBP: 300 Hz

Design

Surround Shape: Triple Roll
Magnet Material: Ferrite
Pole Design: T-Pole
Recommended Enclosure: 40 dm³ (1.41 ft³)
Cone Shape: Exponential
Spider: Single
Woofer Cone Treatment: WP Waterproof Front Side
Recommended Tuning: 65 Hz

Mounting and Shipping Info

Overall Diameter: 315 mm (12.4 in)
Baffle Cutout Diameter: 283 mm (11.1 in)
Flange and Gasket Thickness: 12 mm (0.47 in)
Net Weight: 8.55 kg (18.85 lb)
Shipping Weight: 9.45 kg (20.83 lb)
Bolt Circle Diameter: 298 mm (11.7 in)
Depth: 147 mm (5.79 in)
Air Volume Occupied by Driver: 3 dm³ (0.1 ft³)
Shipping Units: 1 pcs
Shipping Box: 360x360x200 mm (14.17×14.17×7.87 in)

Service Kit

Recone Kit: RCK12FW768
Cone
Gasket
Centering Shims

Specification PDF