B&C 6FHX51 6.5-Inch Coaxial Driver - 150W RMS, 8 Ohm

The B&C 6FHX51 boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

B&C 6FHX51 6.5-Inch Coaxial Driver Features

- 300 W continuous program power capacity
- 70° nominal coverage
- 85 - 18000 Hz response
- 93 dB sensitivity
- 20.1 mm (0.79-inch) HF unit exit diameter

B&C 6FHX51 6.5-Inch Coaxial Driver Specifications

- Nominal Basket Diameter: 170 mm (6.5 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance:
  - LF: 6.5 Ω
  - HF: 7.0 Ω
- Frequency Response: 85 - 18000 Hz
- Dispersion Angle: 70°
- Woofer Cone Treatment: WP Waterproof Front Side
- Magnet Material:
  - LF: Ferrite
  - HF: Neodymium Ring
- Connection: Spade Terminals

Specifications for LF Unit:
- LF Sensitivity: 93.0 dB
- LF Nominal impedance: 8 Ω
- LF Nominal Power Handling: 150 W
- LF Continuous Power Handling: 300 W
- LF Voice Coil Diameter: 51 mm (2.0 inches)
- LF Winding Material: Copper
- LF Flux Density: 1.05 T
- Former Material: Glass Fibre
- Winding Depth: 13.0 mm (0.51 inches)
- Magnetic Gap Depth: 6.0 mm (0.24 inches)

Specifications for HF Unit:
- HF Sensitivity: 108.5 dB
- HF Nominal impedance: 8 Ω
- HF Nominal Power Handling: 10 W
- HF Continuous Power Handling: 20 W
- HF Voice Coil Diameter: 25 mm (1.0 inches)
- HF Winding Material: Aluminium
- HF Flux Density: 1.65 T
- Diaphragm material: Polyester
- Recommended crossover: 2.5 kHz
- Inductance: 0.1 mH

Parameters:
- Fs: 85 Hz
- Re: 5.5 Ω
- Qes: 0.4
- Qms: 7.8
- Qts: 0.37
- Vas: 5.0 dm³
- Sd: 132.0 cm²
- η₀: 0.83 %
- Xmax: ± 5.0 mm
- Xvar: ± 5.7 mm
- Mms: 16.0 g
- Bl: 11.3 Txm
- Le: 1.0 mH
- EBP: 212 Hz

Physical:
- Overall diameter: 187 mm (7.4 inches)
- Bolt circle diameter: 172 mm (6.7 inches)
- Baffle cutout diameter: 146 mm (5.75 inches)
- Depth: 122 mm (4.8 inches)
- Flange and gasket thickness: 12 mm (0.47 inches)
- Net weight: 2.6 kg