B&C 12HCX76 12-Inch Coaxial Driver - 350W RMS, 8 Ohm

B&C 12HCX76 12-Inch Coaxial Driver Features

- 700 W continuous program power capacity
- 60° x 40° nominal coverage
- 45 - 18000 Hz response
- 99 dB sensitivity
- Single Neodymium magnet assembly
- Modified exponential horn flare for improved acoustic loading and controlled coverage
- 33 mm (1.3-inch) HF unit exit diameter

B&C 12HCX76 12-Inch Coaxial Driver Specifications

- Nominal Basket Diameter: 320 mm (12.0 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance:
  - LF: 6.7 Ω
  - HF: 8.0 Ω
- Frequency Response: 45 - 18000 Hz
- Dispersion Angle: 60° x 40°
- Woofer Cone Treatment: WP Waterproof Front Side
- Magnet Material: Neodymium Ring

Specifications for LF Unit:
- LF Sensitivity: 99.0 dB
- LF Nominal impedance: 8 Ω
- LF Nominal Power Handling: 350 W
- LF Continuous Power Handling: 700 W
- LF Voice Coil Diameter: 76 mm (3.0 inches)
- LF Winding Material: Copper
- LF Flux Density: 1.15 T
- Former Material: Glass Fibre
- Winding Depth: 16.5 mm (0.65 inches)
- Magnetic Gap Depth: 8.0 mm (0.31 inches)

Specifications for HF Unit:
- HF Sensitivity: 107.0 dB
- HF Nominal impedance: 8 Ω
- HF Nominal Power Handling: 80 W
- HF Continuous Power Handling: 160 W
- HF Voice Coil Diameter: 75 mm (3.0 inches)
- HF Winding Material: Aluminium
- HF Flux Density: 1.9 T
- Diaphragm material: Titanium
- Recommended crossover: 1.2 kHz
- Inductance: 0.14 mH

Parameters:
- Fs: 42 Hz
- Re: 5.0 Ω
- Qes: 0.2
- Qms: 8.0
- Qts: 0.19
- Vas: 120.0 dm³
- Sd: 522.0 cm²
- η₀: 4.1 %
- Xmax: ± 4.0 mm
- Xvar: ± 6.0 mm
- Mms: 47.0 g
- Bl: 17.6 Txm
- Le: 0.8 mH
- EBP: 210 Hz

Physical:
- Overall diameter: 315 mm (12.4 inches)
- Bolt circle diameter: 298 mm (11.7 inches)
- Baffle cutout diameter: 284 mm (11.14 inches)
- Depth: 168 mm (6.6 inches)
- Flange and gasket thickness: 14 mm (0.55 inches)
- Net weight: 5.3 kg

Further Product Information Below

B & C 12HCX76 (8 Ohm) Data Sheet (PDF)

B & C 12HCX76 Technical Drawing (PDF)