B&C Speakers 12NDL76

ĐẶC ĐIỂM NỔI BẬT SẢN PHẨM

Specifications
Nominal Diameter: 320 mm (12.0 in)
Nominal Impedance: 8 Ω
Minimum Impedance: 6.2 Ω
Nominal Power Handling: 400 W
Continuous Power Handling: 800 W
Sensitivity: 100.0 dB
Frequency Range: 50 - 2000 Hz
Voice Coil Diameter: 76 mm (3.0 in)
Winding Material: Aluminium

Former Material: Glass Fibre
Winding Depth: 19.0 mm (0.75 in)
Magnetic Gap Depth: 10.0 mm (0.4 in)
Flux Density: 1.25 T

Design
Surround Shape: Double Roll
Cone Shape: Exponential
Magnet Material: Neodymium Inside Slug
Spider: Single
Pole Design: Straight Pole
Woofer Cone Treatment: TWP Waterproof Both Sides

Parameters
Resonance Frequency: 50 Hz
Re: 5.3 Ω
Qes: 0.21
Qms: 4.2
Qts: 0.2
Vas: 73.0 dm3 (2.5 ft 3)
Sd: 522.0 cm2 (80.9 in 2)
η₀: 4.3 %
Xmax: 7.0 mm
Xvar: 6.5 mm
Mms: 53.0 g
Bl: 20.1 Txm
Le: 1.0 mH
EBP: 238 Hz

Mounting and Shipping Info
Overall Diameter: 315 mm (12.4 in)
Bolt Circle Diameter: 298 mm (11.7 in)
Baffle Cutout Diameter: 283.0 mm (11.1 in)
Depth: 141 mm (5.5 in)
Flange and Gasket Thickness: 14 mm (0.55 in)
Air Volume Occupied by Driver 2.5 dm3 (0.08 ft 3)
Net Weight: 3.9 kg (8.6 lb)
Shipping Units: 1
Shipping Weight: 4.8 kg (10.58 lb)
Shipping Box: 360x360x200 mm (14.17x14.17x7.87 in)

Features
800 W continuous program power capacity
76 mm (3 in) aluminium voice coil
50 - 2000 Hz response
100 dB sensitivity
Neodymium magnet allows a very light yet powerful motor assembly
Ventilated voice coil gap for reduced power compression