12″ B&C Woofer FW64

Specifications

Nominal Diameter: 320 mm (12 in)
Minimum Impedance: 6.7 Ω
Continuous Power Handling: 500 W
Frequency Range: 55 Hz – 3000 Hz
Winding Material: Aluminium
Winding Depth: 14 mm (0.55 in)
Flux Density: 1.3 T
Nominal Impedance: 8 Ω
Nominal Power Handling: 250 W
Sensitivity: 98 dB
Voice Coil Diameter: 64 mm (2.5 in)
Former Material: Glass Fibre
Magnetic Gap Depth: 8 mm (0.31 in)
Woofer Cone Treatment: WP Waterproof Front Side

Parameters

Fs: 55 Hz
Qes: 0.32
Qts: 0.29
Sd: 522 cm² (80.9 in²)
Xmax: 5 mm
Mms: 47 g
Le: 1 mH
Re: 5.2 Ω
Qms: 3.5
Vas: 64 dm³ (2.26 ft³)
η₀: 3.6%
Xvar: 5 mm
Bl: 15.5 Tm
EBP: 172 Hz

Design

Surround Shape: Double Roll
Magnet Material: Ferrite
Pole Design: T-Pole
Recommended Enclosure: 40 dm³ (1.4 ft³)
Cone Shape: Exponential
Spider: Single
Woofer Cone Treatment: WP Waterproof Front Side
Recommended Tuning: 55 Hz

Mounting and Shipping Info

Overall Diameter: 315 mm (12.4 in)
Baffle Cutout Diameter: 283 mm (11.1 in)
Flange and Gasket Thickness: 13 mm (0.51 in)
Net Weight: 5.65 kg (12.46 lb)
Shipping Weight: 6.55 kg (14.44 lb)
Bolt Circle Diameter: 298 mm (11.7 in)
Depth: 136 mm (5.35 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: RCK12FW648
Cone
Gasket
Centering Shims

Specification PDF