B&C 18NBX100 18-Inch Speaker Driver - 1200W RMS, 8 Ohm, Spring Terminals

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.

Recone Kit: JP61218 (B&C RCK18NBX1008)

B&C 18NBX100 18-Inch Speaker Driver Features

- 2400 W continuous program power capacity
- 100 mm (4 in) split winding copper voice coil
- 35 - 1000 Hz response
- 96 dB sensitivity
- 57 mm peak-to-peak excursion before damage
- 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 Basket Diameter: 460 mm (18.0 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 6.0 Ω
- Nominal Power Handling: 1200 W
- Continuous Power Handling: 2400 W
- Frequency Response: 35 - 1000 Hz
- Sensitivity: 96.5 dB
- Voice Coil Diameter: 100 mm (4 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 25.0 mm (1 inches)
- Magnetic Gap Depth: 11.0 mm (0.43 inches)
- Flux Density: 1.1 T
- Connection: Spring Terminals

Design:
- Surround shape: Triple Roll
- Cone shape: Radial
- Magnet material: Neodymium Inside Slug
- Spider: Double Silicone
- Pole design: T-Pole
- Waterproofing Treatment: TWP Waterproof Both Sides
- Recommended enclosure: 200.0 dm³
- Recommended tuning: 35 Hz

Parameters:
- Fs: 35 Hz
- Re: 5.2 Ω
- Qes: 0.4
- Qms: 5.6
- Qts: 0.38
- Vas: 198 dm³
- Sd: 1210 cm²
- η₀: 2.0 %
- Xmax: ± 10.0 mm
- Xvar: ± 12.0 mm
- Mms: 217.0 g
- Bl: 24.8 Txm
- Le: 1.85 mH
- EBP: 87 Hz

Physical:
- Overall diameter: 460 mm (18.11 inches)
- Bolt circle diameter: 440 mm (17.32 inches)
- Baffle cutout diameter: 422 mm (16.61 inches)
- Depth: 208 mm (8.19 inches)
- Flange and gasket thickness: 14 mm (0.55 inches)
- Air volume occupied by driver: 8.5 dm³
- Net weight: 9.05 kg