B&C 8FW51 8-Inch Speaker Driver - 200W RMS, 8 Ohm

The B&C 8FW51 8-Inch Speaker Driver boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

B&C 8FW51 8-Inch Speaker Driver Features

- 400 W continuous program power capacity
- 51 mm (2 inch) copper voice coil
- 70 - 5000 Hz response
- 97 dB sensitivity
- Shorting copper cap for extended HF response
- Ventilated voice coil gap for reduced power compression

B&C 8FW51 8-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 200 mm (8 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance: 7.4 Ω
- Continuous Power Rating: 200W
- Program Power: 400W
- Frequency Response: 70 - 5000 Hz
- Sensitivity (1W/1m): 97 dB
- Voice Coil Diameter: 51 mm (2.0 inches)
- Winding Material: Copper
- Former Material: Kapton
- Winding Depth: 17 mm (0.65 inches)
- Magnetic Gap Depth: 10 mm (0.4 inches)
- Flux Density: 1.35T
- Connection: Spade Terminals

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

Parameters:
- Resonant Frequency (fs): 74 Hz
- Re: 5.2 Ω
- Qes: 0.21
- Qms: 9.3
- Qts: 0.21
- Vas: 12.0 dm³
- Sd: 220.0 cm²
- η₀: 2.1 %
- Xmax: ± 6.0 mm
- Xvar: ± 5.0 mm
- Mms: 27.0 g
- BL: 17.7 Txm
- Le: 0.56mH
- EBP: 352 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 (3.6 inches)
- Flange and gasket thickness: 9 mm (0.35 inches)
- Air volume occupied by driver: 1.5 dm³
- Net weight: 5.3 kg