B&C Zvučnik 8NW51

LF Zvučnici

B&C Zvučnik 8NW51

by B&C Speakers

B&C Zvučnik 8NW51 :

B&C 8NW51 8" 200W 8 Ohm Neodymium Loudspeaker Driver

Neodymium ring magnet allows a very high force factor and linear excursion
Shorting copper cap for extended HF response 
Ventilated voice coil gap for reduced power compression

Specifications:

  • Nominal diameter 200 mm (8.0 in)
  • Nominal impedance 8 Ohms
  • Minimum impedance 7.7 Ohms
  • Nominal power handling * 200 W
  • Continuous power handling * 400 W
  • Sensitivity (1W/1m) * 97.0 dB
  • Frequency range 70 - 3000 Hz
  • Voice coil diameter 51 mm (2.0 in)
  • Winding material Copper
  • Former material Glass Fibre
  • Winding depth 19 mm (0.73 in)
  • Magnetic gap depth 10 mm (0.4 in)
  • Flux density 1.3 T


Design Features:

  • Surround shape Double Roll
  • Cone shape Exponential
  • Magnet material Neodymium Ring
  • Spider Single
  • Pole design T-Pole
  • Woofer cone treatment TWP Waterproof Both Sides


Parameters:

  • Fs 74 Hz
  • Re 5 Ohms
  • Qes 0.19
  • Qms 2.7
  • Qts 0.17
  • Vas 11.0 dm3 (0.4 ft3)
  • Sd 220.0 cm2 (34.1 in2)
  • Reference efficiency 2.4 %
  • Xmax 6.0 mm
  • Xvar 6.0 mm
  • Mms 28 g
  • Bl 18.9 Txm
  • Le 0.4 mH
  • EBP 389 Hz


Dimensional, Mounting and Shipping Data:

  • Overall diameter 225 mm (8.8 in)
  • Bolt circle diameter 210 mm (8.3 in)
  • Baffle cutout diameter 187.0 mm (7.4 in)
  • Depth 100 mm (4.0 in)
  • Flange and gasket thickness 11 mm (0.4 in)
  • Air volume occupied by driver 1.1 dm3 (0.04 ft3)
  • Net weight 3.0 kg (6.6 lb)
  • Shipping weight 3.4 kg (7.5 lb)
  • Shipping box 300x160x180 mm (11.8x6.3x7.1 in)

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