15″ B&C Woofer CL76 4Ω|8Ω

Specifications

Nominal Diameter: 380 mm (15 in)
Minimum Impedance: 4.3 Ω
Continuous Power Handling: 800 W
Frequency Range: 40 Hz – 3000 Hz
Winding Material: Copper
Winding Depth: 19 mm (0.75 in)
Flux Density: 1.15 T
Nominal Impedance: 4 Ω
Nominal Power Handling: 400 W
Sensitivity: 98 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: 42 Hz
Qes: 0.27
Qts: 0.25
Sd: 855 cm² (132.5 in²)
Xmax: 7 mm
Mms: 106.5 g
Le: 1 mH
Re: 3.5 Ω
Qms: 4.7
Vas: 140 dm³ (4.94 ft³)
η₀: 3.7 %
Xvar: 8 mm
Bl: 19.1 Tm
EBP: 156 Hz

Design

Surround Shape: Triple Roll
Magnet Material: Neodymium Inside Slug
Pole Design: Straight Pole
Recommended Enclosure: 100 dm³ (3.53 ft³)
Recommended Loading: Vented Box
Cone Shape: Exponential
Spider: Single
Woofer Cone Treatment: WP Waterproof Front Side
Recommended Tuning: 47 Hz

Mounting and Shipping Info

Overall Diameter: 389 mm (15.31 in)
Baffle Cutout Diameter: 353 mm (13.9 in)
Flange and Gasket Thickness: 11 mm (0.43 in)
Net Weight: 3.8 kg (8.38 lb)
Shipping Weight: 5.1 kg (11.24 lb)
Bolt Circle Diameter: 374 mm (14.72 in)
Depth: 171 mm (6.73 in)
Air Volume Occupied by Driver: 4.4 dm³ (0.15 ft³)
Shipping Units: 1 pcs
Shipping Box: 425x425x224 mm (16.73×16.73×8.82 in)

Service Kit

Recone Kit: RCK15CL764
Cone
Gasket
Dust Cap
Wooterprof Treatment
Centering Shims

Specification PDF