B&C 12MH32

12MH32

• Specifications
  • Nominal diameter
    320 mm (12.0 in)
  • Nominal impedance
    8 Ω
  • Minimum impedance
    6.5 Ω
  • Nominal power handling *
    400 W
  • Continuous power handling *
    800 W
  • Sensitivity (1W/1m) *
    101.0 dB
  • Frequency range
    50 - 3000 Hz
  • Voice coil diameter
    76 mm (3.0 in)
  • Winding material
    Copper
  • Former material
    Glass Fibre
  • Winding depth
    14 mm (0.55 in)
  • Magnetic gap depth
    8 mm (0.31 in)
  • Flux density
    1.4 T
• Design
  • Surround shape
    Double Roll
  • Cone shape
    Radial
  • Magnet material
    Ferrite
  • Spider
    Single
  • Pole design
    T-Pole
  • Woofer cone treatment
    WP Waterproof Front Side
• Parameters *
  • Fs
    53 Hz
  • Re
    5.2 Ω
  • Qes
    0.2
  • Qms
    7.2
  • Qts
    0.19
  • Vas
    63.0 dm³ (2.2 ft³)
  • Sd
    522.0 cm² (80.9 in²)
  • η₀
    4.8 %
  • Xmax
    5.0 mm
  • Xvar
    7.0 mm
  • Mms
    54 g
  • Bl
    22.3 Txm
  • Le
    0.83 mH
  • EBP
    265 Hz
• Mounting And Shipping Info
  • Overall diameter
    316 mm (12.4 in)
  • Bolt circle diameter
    296 mm (11.6 in)
  • Baffle cutout diameter
    282.0 mm (11.1 in)
  • Depth
    133 mm (5.24 in)
  • Flange and gasket thickness
    12 mm (0.49 in)
  • Air volume occupied by driver
    3.3 dm³ (0.12 ft³)
  • Net weight
    7.6 kg (16.7 lb)
  • Shipping units
    1
  • Shipping weight
    8.4 kg (18.5 lb)
  • Shipping box
    365x365x210 mm (14.4x14.4x8.3 in)
• Service Kit
  •  
    RCK012MH328