12″ B&C FHX76

General

Nominal Diameter: 320 mm (12 in)
Nominal Impedance: 8 Ω
Frequency Range: 45 Hz – 18000 Hz
Dispersion Angle: 60 °

Specifications LF Unit

Nominal Diameter: 320 mm (12 in)
Nominal Impedance: 8 Ω
Minimum Impedance: 6 Ω
Nominal Power Handling: 350 W
Continuous Power Handling: 700 W
Sensitivity: 98 dB
Voice Coil Diameter: 76 mm (3 in)
Winding Material: Copper
Former Material: Glass Fibre
Winding Depth: 16.5 mm (0.65 in)
Magnetic Gap Depth: 8 mm (0.31 in)
Flux Density: 1 T
Woofer Cone Treatment: WP Waterproof Front Side

Specifications HF Unit

Nominal Diameter: 320 mm (12 in)
Nominal Impedance: 8 Ω
Minimum Impedance: 7.8 Ω
Nominal Power Handling: 80 W
Continuous Power Handling: 160 W
Sensitivity: 106 dB
Recommended Crossover: 1.2 kHz
Voice Coil Diameter: 75 mm (3 in)
Winding Material: Aluminium
Inductance: 0.14 mH
Flux Density: 1.6 T
Diaphragm Material: Titanium

Design

Magnet Material: Ferrite
Woofer Cone Treatment: WP Waterproof Front Side

Parameters

Fs: 48 Hz
Re: 5.2 Ω
Qes: 0.36
Qms: 5.4
Qts: 0.33
Vas: 88 dm³ (3.1 ft³)
Sd: 522 cm² (80.9 in²)
η₀: 2.7 %
Xvar: 4 mm
Mms: 47 g
Bl: 14.4 Tm
Le: 1.6 mH
EBP: 133 Hz

Mounting and Shipping Info

Overall Diameter: 315 mm (12.4 in)
Bolt Circle Diameter: 298 mm (11.7 in)
Baffle Cutout Diameter: 284 mm (11.14 in)
Depth: 169 mm (6.65 in)
Flange and Gasket Thickness: 13 mm (0.51 in)
Net Weight: 8.4 kg (18.52 lb)
Shipping Units: 1 pcs
Shipping Weight: 9.7 kg (21.38 lb)
Shipping Box: 425x425x224 mm (16.73×16.73×8.82 in)

Service Kit

HF Replacement Diaphragm: MMD3BTN8M
LF Recone Kit: RCK12FHX768
Cone
Gasket
Centering Shims

Specification PDF