B&C 12FW64

12FW64

• Specifications
  • Nominal diameter
    320 mm (12.0 in)
  • Nominal impedance
    8 Ω
  • Minimum impedance
    6.7 Ω
  • Nominal power handling *
    250 W
  • Continuous power handling *
    500 W
  • Sensitivity (1W/1m) *
    98.0 dB
  • Frequency range
    55 - 3000 Hz
  • Voice coil diameter
    64 mm (2.5 in)
  • Winding material
    Aluminium
  • Former material
    Glass Fibre
  • Winding depth
    14 mm (0.55 in)
  • Magnetic gap depth
    8 mm (0.31 in)
  • Flux density
    1.3 T
• Design
  • Surround shape
    Double Roll
  • Cone shape
    Exponential
  • Magnet material
    Ferrite
  • Spider
    Single
  • Pole design
    T-Pole
  • Woofer cone treatment
    WP Waterproof Front Side
  • Recommended enclosure
    40.0 dm³ (1.4 ft³)
  • Recommended tuning
    55 Hz
• Parameters *
  • Fs
    55 Hz
  • Re
    5.2 Ω
  • Qes
    0.32
  • Qms
    3.5
  • Qts
    0.29
  • Vas
    64.0 dm³ (2.26 ft³)
  • Sd
    522.0 cm² (80.9 in²)
  • η₀
    3.6 %
  • Xmax
    5.0 mm
  • Xvar
    5.0 mm
  • Mms
    47 g
  • Bl
    15.5 Txm
  • Le
    1.0 mH
  • EBP
    171 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
    136 mm (5.35 in)
  • Flange and gasket thickness
    13 mm (0.51 in)
  • Air volume occupied by driver
    3.0 dm³ (0.1 ft³)
  • Net weight
    5.6 kg (12.3 lb)
  • Shipping weight
    6.2 kg (13.7 lb)
  • Shipping box
    340x340x170 mm (13.4x13.4x6.7 in)
• Service Kit
  •  
    RCK12FW648