B&C 12NBX100 12-Inch Speaker Driver - 1000W RMS, 4 Ohm

The B&C 12NBX100 12-Inch Speaker Driver boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

B&C 12NBX100 12-Inch Speaker Driver Features

- 2000 W continuous program power capacity
- 100 mm (4 inch) copper voice coil
- 40 - 1500 Hz response
- 94 dB sensitivity
- Waterproofed cone
- FEA optimized Neodymium magnet assembly
- Aluminium demodulating ring allows a very low distortion figure
- Double silicone spider with optimized compliance
- Ventilated voice coil gap for reduced power compression

B&C 12NBX100 12-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 320 mm (12.6 inches)
- Nominal Impedance: 4 Ω
- Minimum Impedance: 4.5 Ω
- Nominal Power Handling: 1000 W
- Continuous Power Handling: 2000 W
- Frequency Response: 40 - 1500 Hz
- Sensitivity (1W/1m): 94 dB
- Voice Coil Diameter: 100 mm (4 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 25.0 mm (1.0 inches)
- Magnetic Gap Depth: 11 mm (0.43 inches)
- Flux Density: 1.1 T
- Connection: Spade Terminals

Design:
- Surround shape: Triple Roll
- Cone shape: Exponential
- Magnet material: Neodymium Inside Slug
- Spider: Double Silicone
- Pole design: T-Pole
- Woofer cone treatment: TWP Waterproof Both Sides
- Recommended enclosure: 40.0 dm³
- Recommended tuning: 50 Hz

Parameters:
- Fs: 40 Hz
- Re: 3.6 Ω
- Qes: 0.23
- Qms: 7.05
- Qts: 0.22
- Vas: 46.5 dm³
- Sd: 531.0 cm²
- η₀: 1.27 %
- Xmax: ± 10.0 mm
- Xvar: ± 10.0 mm
- Mms: 133.0 g
- Bl: 23.04 Txm
- Le: 1.35 mH
- EBP: 173 Hz

Physical:
- Overall diameter: 320 mm (12.6 inches)
- Bolt circle diameter: 300 mm (11.8 inches)
- Baffle cutout diameter: 280 mm (11.0 inches)
- Depth: 143 mm (5.63 inches)
- Flange and gasket thickness: 12 mm (0.47 inches)
- Air volume occupied by driver: 4.0 dm³
- Net weight: 8.0 kg