B&C 8MBX51 8-Inch Speaker Driver - 200W RMS, 16 Ohm

The B&C 8MBX51 8-Inch Speaker Driver offers acoustic designers a new range of high efficiency, wide bandwidth alternatives that are not currently available in the B&C range. These full-featured transducers incorporate lightweight neodymium motors, inside/outside wound copper clad aluminum wire voice coils, weatherproof impregnated paper cones, and a symmetrical inductance profile. The MBX Series is especially well suited for two-way loudspeaker enclosures.

B&C 8MBX51 8-Inch Speaker Driver Features

- 400 W continuous program power capacity
- 50 mm (2 inch) copper voice coil
- 60 - 4000 Hz response
- 97 dB sensitivity
- Neodymium ring magnet assembly
- Waterproofed cone
- Aluminium ring allows a very low distortion figure
- Ventilated voice coil gap for reduced power compression

B&C 8MBX51 8-Inch Speaker Driver Specifications

- Nominal Basket Diameter: 200 mm (8 inches)
- Nominal Impedance: 16 Ω
- Minimum Impedance: 11.2 Ω
- Nominal Power Handling: 200 W
- Continuous Power Handling: 400 W
- Frequency Response: 60 - 4000 Hz
- Sensitivity (1W/1m): 97 dB
- Voice Coil Diameter: 51 mm (2.0 inches)
- Winding Material: Aluminium
- Former Material: Glass Fibre
- Winding Depth: 15 mm (0.59 inches)
- Magnetic Gap Depth: 7 mm (0.28 inches)
- Flux Density: 1.3 T
- Connection: Spade Terminals

Design:
- Surround shape: Triple Roll
- Cone shape: Curvilinear
- Magnet material: Neodymium Ring
- Spider: Single
- Pole design: T-Pole
- Woofer cone treatment: Waterproof Impregnated Cone

Parameters:
- Fs: 68 Hz
- Re: 10.2 Ω
- Qes: 0.43
- Qms: 3.3
- Qts: 0.38
- Vas: 22 dm³
- Sd: 220.0 cm²
- η₀: 1.5 %
- Xmax: ± 6.0 mm
- Xvar: ± 5.5 mm
- Mms: 18.4 g
- Bl: 13.7 Txm
- Le: 0.65 mH
- EBP: 158 Hz

Physical:
- Overall diameter: 225 mm (8.8 inches)
- Bolt circle diameter: 210 mm (8.3 inches)
- Baffle cutout diameter: 187 mm (7.4 inches)
- Depth: 93 mm (3.66 inches)
- Flange and gasket thickness: 9 mm (0.35 inches)
- Air volume occupied by driver: 1.1 dm³
- Net weight: 1.8 kg