B&C 15CX40 15-Inch Coaxial Driver - 400W RMS, 8 Ohm

The B&C 15CX40 boasts legendary B&C technology made with their famously critical quality control, allowing loudspeaker designs with appropriately scaled performance.

Recone Kit: JP61240 (B&C RCK15CX408)
Replacement Diaphragm: JP61267 (B&C MMD3A8)
Recommended Crossover: JP61078 (B&C XO-4/FBCX40 8Ω)

B&C 15CX40 15-Inch Coaxial Driver Features

- 800 W continuous program power capacity
- 80° nominal coverage
- 45 - 20000 Hz response
- 99 dB sensitivity
- 59.3 mm (2.33-inch) HF unit exit diameter
- FB15CX40 dedicated crossover network

B&C 15CX40 15-Inch Coaxial Driver Specifications

- Nominal Basket Diameter: 380 mm (15 inches)
- Nominal Impedance: 8 Ω
- Minimum Impedance:
  - LF: 5.8 Ω
  - HF: 7.9 Ω
- Frequency Response: 45 - 20000 Hz
- Dispersion Angle: 80°
- Woofer Cone Treatment: WP Waterproof Front Side
- Magnet Material: Ceramic

Specifications for LF Unit:
- LF Sensitivity: 99.0 dB
- LF Nominal impedance: 8 Ω
- LF Nominal Power Handling: 400 W
- LF Continuous Power Handling: 800 W
- LF Voice Coil Diameter: 76 mm (3.0 inches)
- LF Winding Material: Aluminium

Specifications for HF Unit:
- HF Sensitivity: 106.0 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
- Diaphragm material: Titanium
- Recommended crossover: 1.2 kHz

Parameters:
- Fs: 44 Hz
- Re: 5.1 Ω
- Qes: 0.46
- Qms: 6.7
- Qts: 0.43
- Vas: 162.0 dm³
- Sd: 855.0 cm²
- η₀: 2.8 %
- Xmax: ± 4.5 mm
- Xvar: ± 5.5 mm
- Mms: 84.0 g
- Bl: 15.9 Txm
- Le: 1.1 mH
- EBP: 85 Hz

Physical:
- Overall diameter: 349 mm (15.5 inches)
- Bolt circle diameter: 374 mm (16.7 inches)
- Baffle cutout diameter: 355 mm (14.0 inches)
- Depth: 219 mm (8.6 inches)
- Flange and gasket thickness: 16 mm (0.62 inches)
- Net weight: 12.05 kg