B&C 8CXN51

8CXN51

• Specifications
  • Nominal diameter
    210 mm (8.0 in)
  • Nominal impedance
    8 Ω
  • Minimum impedance lf
    6.0 Ω
  • Minimum impedance hf
    7.4 Ω
  • Frequency range
    70 - 18000 Hz
  • Dispersion angle *
    100 °
  • Magnet material
    Neodymium Ring
• Specifications LF Unit
  • LF Sensitivity *
    97.0 dB
  • LF Nominal Power Handling *
    250 W
  • LF Continuous Power Handling *
    500 W
  • LF Voice Coil Diameter
    51 mm (2.0 in)
  • LF Winding Material
    Aluminium
• Specifications HF Unit
  • HF Sensitivity *
    104.0 dB
  • HF Nominal Power Handling *
    50 W
  • HF Continuous Power Handling *
    100 W
  • HF Voice Coil Diameter
    44 mm (1.7 in)
  • HF Winding Material
    Aluminium
  • Diaphragm material
    Polyimide
  • Recommended crossover *
    1.8 kHz
• Parameters
  • Fs
    68 Hz
  • Re
    4.9 Ω
  • Qes
    0.29
  • Qms
    4.7
  • Qts
    0.27
  • Vas
    17.0 dm³ (0.6 ft³)
  • Sd
    220.0 cm² (34.1 in²)
  • η₀
    1.8 %
  • Xmax
    6.0 mm
  • Xvar
    6.0 mm
  • Mms
    22 g
  • Bl
    12.6 Txm
  • Le
    0.9 mH
  • EBP
    234 Hz
• Mounting And Shipping Info
  • Overall diameter
    225 mm (8.8 in)
  • Bolt circle diameter
    210 mm (8.3 in)
  • Baffle cutout diameter
    187 mm (7.4 in)
  • Depth
    111 mm (4.4 in)
  • Flange and gasket thickness
    10 mm (0.4 in)
  • Net weight
    2.5 kg (5.5 lb)
  • Shipping units
    1
  • Shipping weight
    3.2 kg (7.0 lb)
  • Shipping box
    260x260x170 mm (10.2x10.2x6.7 in)
• Service Kit
  • Service kit lf
    RCK008CXN518
  • Replacement diaphragm
    MMD4008

• Alternative Magnet
  • 8FCX51