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B&C Speakers 12FW64 - 12 inch Loudspeaker Woofer




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B&C 12FW64 12 inch 250W 8 Ohm Woofer Loudspeaker Driver

Specifications:

  • Nominal diameter 320 mm (12.0 in)
  • Nominal impedance 8 ohms
  • Minimum impedance 6.7 ohms
  • 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 ohms
  • Qes 0.32
  • Qms 3.5
  • Qts 0.29
  • Vas 64.0 dm3 (2.26 ft3)
  • Sd 522.0 cm2 (80.9 in2)
  • Reference efficiency 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
  • Model: 717226
  • Manufactured by: B&C Difuzoare

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