15″ B&C Subwoofer BG76

Specifications

Nominal Diameter: 380 mm (15 in)
Minimum Impedance: 6.5 Ω
Continuous Power Handling: 1000 W
Frequency Range: 44 Hz – 1000 Hz
Winding Material: Copper
Winding Depth: 25 mm (0.98 in)
Flux Density: 1.22 T
Nominal Impedance: 8 Ω
Nominal Power Handling: 500 W
Sensitivity: 93.4 dB
Voice Coil Diameter: 76 mm (3 in)
Former Material: Glass Fibre
Magnetic Gap Depth: 11.5 mm (0.45 in)
Woofer Cone Treatment: TWP Waterproof Both Sides

Parameters

Fs: 44 Hz
Qes: 0.61
Qts: 0.56
Sd: 855 cm² (132.53 in²)
Xmax: 9.6 mm
Mms: 194 g
Le: 1.29 mH
Re: 5.4 Ω
Qms: 6.2
Vas: 68.4 dm³ (2.42 ft³)
η₀: 0.93 %
Xvar: 12.5 mm
Bl: 21.7 Tm
EBP: 72 Hz

Design

Surround Shape: Roll
Magnet Material: Neodymium Ring
Pole Design: T-Pole
Recommended Enclosure: 160 dm³ (5.65 ft³)
Cone Shape: Radial
Spider: Double Silicone
Woofer Cone Treatment: TWP Waterproof Both Sides
Recommended Tuning: 34 Hz

Mounting and Shipping Info

Overall Diameter: 393 mm (15.47 in)
Baffle Cutout Diameter: 354 mm (13.9 in)
Flange and Gasket Thickness: 23 mm (0.91 in)
Net Weight: 5.95 kg (13.12 lb)
Shipping Weight: 7.25 kg (15.98 lb)
Bolt Circle Diameter: 374 mm (14.7 in)
Depth: 190 mm (7.48 in)
Air Volume Occupied by Driver: 6 dm³ (0.21 ft³)
Shipping Units: 1 pcs
Shipping Box: 425x425x224 mm (16.73×16.73×8.82 in)

Service Kit

Recone Kit: RCK15BG768
Cone
Gasket
Dust Cap
Wooterprof Treatment
Centering Shims