B&C Zvučnik 12NW76

LF Zvučnici

B&C Zvučnik 12NW76

by B&C Speakers

 B&C 12NW76 12" 500W Low Frequency Driver with Neodymium Magnet 8 Ohms (Faston)

 

Specifications

 

  • Nominal diameter 320 mm (12.0 in)
  • Nominal impedance 8 ohms
  • Minimum impedance 6.9 ohms
  • 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 ohms
  • Qes 0.17
  • Qms 3.7
  • Qts 0.16
  • Vas 76.0 dm3 (2.7 ft3)
  • Sd 522.0 cm2 (80.9 in2)
  • Reference efficiency 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)

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