B&C 18NBX100 18-Inch Speaker Driver - 1200W RMS, 4 Ohm

The B&C 18NBX100 18-Inch Speaker Driver boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

B&C 18NBX100 18-Inch Speaker Driver 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

B&C 18NBX100 18-Inch Speaker Driver Specifications

- Nominal Diameter: 460 mm (18.0 in)
- Nominal Impedance: 4 Ω
- Minimum Impedance: 4.4 Ω
- Nominal Power Handling: 1200 W
- Continuous power handling: 2400 W
- Sensitivity (1W/1m): 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

Parameters:
- 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 cm² (187.55 in²)
- ??: 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

Physical:
- Overall Diameter: 460 mm (18.0 in)
- Bolt Circle Diameter: 440 mm (17.3 in)
- Baffle Cutout Diameter: 422 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: 9.05 kg (19.95 lb)