B&C 12NW76

12NW76

• Specifications
  • Nominal diameter
    320 mm (12.0 in)
  • Nominal impedance
    8 Ω
  • Minimum impedance
    6.9 Ω
  • Nominal power handling *
    500 W
  • Continuous power handling *
    1000 W
  • Sensitivity (1W/1m) *
    99.0 dB
  • Frequency range
    40 - 2000 Hz
  • Voice coil diameter
    76 mm (3.0 in)
  • Winding material
    Copper
  • Former material
    Glass Fibre
  • Winding depth
    19 mm (0.75 in)
  • Magnetic gap depth
    11 mm (0.43 in)
  • Flux density
    1.3 T
• Design
  • Surround shape
    Triple Roll
  • Cone shape
    Exponential
  • Magnet material
    Neodymium Ring
  • Spider
    Single
  • Pole design
    T-Pole
  • Woofer cone treatment
    WP Waterproof Front Side
  • Recommended enclosure
    50.0 dm³ (1.77 ft³)
  • Recommended tuning
    60 Hz
• Parameters *
  • Fs
    40 Hz
  • Re
    5.3 Ω
  • Qes
    0.17
  • Qms
    3.7
  • Qts
    0.16
  • Vas
    76.0 dm³ (2.7 ft³)
  • Sd
    522.0 cm² (80.9 in²)
  • η₀
    2.8 %
  • Xmax
    8.0 mm
  • Xvar
    10.0 mm
  • Mms
    77 g
  • Bl
    25.5 Txm
  • Le
    1.25 mH
  • EBP
    235 Hz
• Mounting And Shipping Info
  • Overall diameter
    315 mm (12.4 in)
  • Bolt circle diameter
    298 mm (11.7 in)
  • Baffle cutout diameter
    283.0 mm (11.1 in)
  • Depth
    147 mm (5.8 in)
  • Flange and gasket thickness
    14 mm (0.55 in)
  • Air volume occupied by driver
    2.5 dm³ (0.08 ft³)
  • Net weight
    4.9 kg (10.8 lb)
  • Shipping weight
    5.6 kg (12.3 lb)
  • Shipping box
    340x340x170 mm (13.4x13.4x6.7 in)
• Service Kit
  •  
    RCK12NW768

• Alternative Magnet
  • 12FW76