B&C 8NW51 8-Inch Speaker Driver - 200W RMS, 8 Ohm

The B&C 8NW51 8-Inch Low Freqency Driver boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

Recone Kit: JP61165 (B&C RCK008NW518)

B&C 8NW51 8-Inch Speaker Driver Features

- 400 W continuous program power capacity
- 50 mm (2 inch) copper voice coil
- 70 - 3000 Hz response
- 96.5 dB sensitivity
- Neodymium ring magnet assembly
- Shorting copper cap for extended HF response
- Ventilated voice coil gap for reduced power compression

B&C 8NW51 8-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 200 mm (8 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 7.7 Ω
- Nominal Power Handling: 200W
- Continuous Power Handling: 400W
- Frequency Response: 70 - 3000 Hz
- Sensitivity (1W/1m): 96.5 dB
- Voice Coil Diameter: 51 mm (2.0 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 19 mm (0.73 inches)
- Magnetic Gap Depth: 10 mm (0.4 inches)
- Flux Density: 1.3 T
- Connection: Spade Terminals

Design:
- Surround shape: Double Roll
- Cone shape: Exponential
- Magnet material: Neodymium Ring
- Spider: Single
- Pole design: T-Pole
- Woofer cone treatment: TWP Waterproof Both Sides

Parameters:
- Fs: 74 Hz
- Re: 5.2 Ω
- Qes: 0.19
- Qms: 2.7
- Qts: 0.17
- Vas: 11.0 dm³
- Sd: 220.0 cm²
- η₀: 2.4 %
- Xmax: ± 6.0 mm
- Xvar: ± 6.0 mm
- Mms: 28 g
- Bl: 18.9 Txm
- Le: 0.4 mH
- EBP: 389 Hz

Physical:
- Overall diameter: 225 mm (8.8 inches)
- Bolt circle diameter: 210 mm (8.3 inches)
- Baffle cutout diameter: 187.0 mm (7.4 inches)
- Depth: 100 mm (4 inches)
- Flange and gasket thickness: 11 mm (0.4 inches)
- Air volume occupied by driver: 1.1 dm³
- Net weight: 3 kg