B&C Zvučnik 12NDL76

LF Zvučnici

B&C Zvučnik 12NDL76

by B&C Speakers

 B&C 12NDL76 12" 400W Low Frequency Driver with Neodymium Magnet 8 Ohms (Faston)

  • 800 W continuous program power capacity
  • 76 mm (3 in) aluminium voice coil
  • 50 - 2000 Hz response
  • 100 dB sensitivity
  • Neodymium magnet allows a very light yet powerful motor assembly
  • Ventilated voice coil gap for reduced power compression

Specifications

 

  • Nominal diameter 320 mm (12.0 in)
  • Nominal impedance 8 ohms
  • Minimum impedance 6.2 ohms
  • Nominal power handling 400 W
  • Continuous power handling 800 W
  • Sensitivity (1W/1m) 100.0 dB
  • Frequency range 50 - 2000 Hz
  • Voice coil diameter 76 mm (3.0 in)
  • Winding material Aluminium
  • Former material Glass Fibre
  • Winding depth 19 mm (0.75 in)
  • Magnetic gap depth 10 mm (0.4 in)
  • Flux density 1.25 T

 

Design

 

  • Surround shape Double Roll
  • Cone shape Exponential
  • Magnet material Neodymium Inside Slug
  • Spider Single
  • Pole design Straight Pole
  • Woofer cone treatment WP Waterproof Front Side
  • Recommended enclosure 42.0 dm3 (1.48 ft3)
  • Recommended tuning 65 Hz

 

Parameters

 

  • Fs 50 Hz
  • Re 5.3 ohms
  • Qes 0.21
  • Qms 4.2
  • Qts 0.2
  • Vas 73.0 dm3 (2.5 ft3)
  • Sd 522.0 cm2 (80.9 in2)
  • Reference efficiency 4.3 %
  • Xmax 6.5 mm
  • Xvar 6.5 mm
  • Mms 53 g
  • Bl 20.1 Txm
  • Le 1.0 mH
  • EBP 238 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 141 mm (5.5 in)
  • Flange and gasket thickness 14 mm (0.55 in)
  • Air volume occupied by driver 2.5 dm3 (0.08 ft3)
  • Net weight 3.9 kg (8.6 lb)
  • Shipping units 1
  • Shipping weight 4.5 kg (9.9 lb)
  • Shipping box 340x340x170 mm (13.4x13.4x6.7 in)

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