B&C 8CL51 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.

B&C 8NW51 8-Inch Speaker Driver Features

- 400 W continuous program power capacity
- 51 mm (2 inch) copper voice coil
- 70 - 5000 Hz response
- 94 dB sensitivity
- Neodymium magnet allows a very light yet powerful motor assembly
- Shorting copper cap for extended HF response

B&C 8NW51 8-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 200 mm (8 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 6.3 Ω
- Nominal Power Handling: 200 W
- Continuous Power Handling: 400 W
- Frequency Response: 70 - 5000 Hz
- Sensitivity (1W/1m): 94 dB
- Voice Coil Diameter: 51 mm (2.0 inches)
- Winding Material: Copper
- Former Material: Glass Fibre
- Winding Depth: 17 mm (0.67 inches)
- Magnetic Gap Depth: 8 mm (0.31 inches)
- Flux Density: 1.15 T
- Connection: Spade Terminals

Design:
- Surround shape: Double Roll
- Cone shape: Exponential
- Magnet material: Neodymium Inside Slug
- Spider: Single
- Pole design: Straight Pole
- Woofer cone treatment: WP Waterproof Front Side

Parameters:
- Fs: 69 Hz
- Re: 5.1 Ω
- Qes: 0.44
- Qms: 5.6
- Qts: 0.41
- Vas: 12.5 dm³
- Sd: 220.0 cm²
- η₀: 0.9 %
- Xmax: ± 6.5 mm
- Xvar: ± 6.5 mm
- Mms: 29 g
- Bl: 12 Txm
- Le: 0.5 mH
- EBP: 156 Hz

Physical:
- Overall diameter: 209 mm (8.23 inches)
- Bolt circle diameter: 199 mm (7.83 inches)
- Baffle cutout diameter: 186.0 mm (7.32 inches)
- Depth: 96 mm (3.78 inches)
- Flange and gasket thickness: 9 mm (0.35 inches)
- Air volume occupied by driver: 1.1 dm³
- Net weight: 1.25 kg