B&C 18NBX100-4 LF 18" Neodymium Pro Audio Subwoofer 2400W Bass Sub Speaker 4-Ohms

Features

• 2400 W continuous program power capacity

• 100 mm (4 in) copper voice coil

• 35 - 1000 Hz response

• 96 dB sensitivity

• Double silicone spider with optimized compliance

• Ventilated voice coil gap for reduced power compression

• Aluminium demodulating ring for very low distortion

Specifications

• Nominal Diameter: 460 mm (18.0 in)

• Nominal Impedance: 4 Ω

• Minimum Impedance: 4.4 Ω

• Nominal Power Handling1: 1200 W

• Continuous power handling2: 2400 W

• Sensitivity (1W/1m)3: 96.0 dB

• Frequency Range: 35 - 1000 Hz

• Voice Coil Diameter: 100 mm (4.0 in)

• Winding Material: Copper

• Former Material: Glass Fibre

• Winding Depth: 25.0 mm (1.0 in)

• Magnetic Gap Depth: 11.0 mm (0.43 in)

• Flux Density: 1.1 T

Design

• Surround Shape: Triple Roll

• Cone Shape: Radial

• Magnet Material: Neodymium Inside Slug

• Spider: Double Silicone

• Pole Design: T-Pole

• Woofer Cone Treatment: TWP Waterproof Both Sides

• Recommended Enclosure: 200.0 dm3 (7.1 ft3)

• Recommended Tuning: 35 Hz

Parameters4

• Resonance Frequency: 35 Hz

• Re: 3.6 Ω

• Qes: 0.39

• Qms: 7.0

• Qts: 0.37

• Vas: 192.0 dm3 (6.78 ft3)

• Sd: 1210.0 cm2 (187.55 in2)

• η₀: 2.02 %

• Xmax: ± 10.0 mm

• Xvar: ± 12.0 mm

• Mms: 225.0 g

• Bl: 22.0 Txm

• Le: 1.74 mH

• EBP: 89 Hz

Mounting and Shipping Information

• Overall Diameter: 460 mm (18.0 in)

• Bolt Circle Diameter: 440 mm (17.3 in)

• Baffle Cutout Diameter: 422.0 mm (16.6 in)

• Depth: 208 mm (8.19 in)

• Flange and Gasket Thickness: 14 mm (0.55 in)

• Air Volume Occupied by Driver" 8.5 dm3 (0.3 ft3)

• Net Weight: 9.3 kg (20.5 lb)

• Shipping Weight" 10.9 kg (24.03 lb)

• Shipping Box" 500x495x275 mm (19.69x19.49x10.83 in)

Service Kit

• Recone kit: RCK18NBX1004

Discover more

• 1: 2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated minumum impedance. Loudspeaker in free air.

• 2: Power on Continuous Program is defined as 3 dB greater than the Nominal rating.

• 3: Applied RMS Voltage is set to 2V for 4 ohms Nominal Impedance.

• 4: Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning test.