B&C Speaker 8CXN51
8Ω
Coaxial
Nominal diameter | 8″ / 210 mm |
Resonance | 68 Hz |
Q factor | 0.27 |
Sensitivity | 94 dB |
Linear excursion | ± 6 mm |
Program Power | 500 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 94dB
- Frequency response 70 - 18000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 68Hz
- Mechanical quality factor QMS 4.70
- Electrical quality factor QES 0.29
- Total quality factor QTS 0.27
Large signal parameters
- Maximum linear excursion xmax 6mm
- Air volume displaced at xmax VD 132cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 4.9Ω
- Inductance (1kHz) LE 0.9mH
- VC Diameter 51mm
- Winding height HVC 17mm
- Winding material Aluminium
- Former material Glass Fibre
Magnet
- Flux density B 1.15T
- Force factor Bl 12.6N/A
- Motor constant Bl/√RE 5.69N/√W
- Air gap height HAG 8mm
- Material Neodymium Ring
Diaphragm
- Effective diameter 167mm
- Effective area SD 220cm²
- Moving mass MMS 22g
- Moving mass (without air load) MMD 19.5g
- Material Waterproof Front Side
Suspensions
- Stiffness KMS 4.02N/mm
- Compliance CMS 249µm/N
- Equivalent volume to the compliance VAS 17L
- Mechanical resistance RMS 2N·s/m
Dimensions
- Nominal diameter 8″
- 210mm
- Overall diameter 225mm
- Baffle cutout diameter 187mm
- Overall depth 111mm
- Flange thickness 10mm
- Mounting depth 101mm
- Volume occupied by the driver (estimated) 1.1L
- Net weight 2.6kg
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Export this driver to a simulation software:
Closed Box Simulator·





