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B&C 15 NDL 88

B&C 15 NDL 88

15NDL88 LF Drivers 15.0 inches

More Information

  • 1400 W continuous program power capacity
  • 88 mm (3.5 in) aluminium voice coil
  • 45 - 3000 Hz response
  • 99 dB sensitivity
  • Neodymium magnet allows a very light yet powerful motor assembly
  • Double silicone spider with optimized compliance
  • Aluminum demodulating ring allows a very low distortion figure

Technical Specification

Specifications

  • Nominal diameter 380 mm (15.0 in)
  • Nominal impedance 8 Ω
  • Minimum impedance 6.0 Ω
  • Nominal power handling 700 W
  • Continuous power handling 1400 W
  • Sensitivity (1W/1m) 99.0 dB
  • Frequency range 45 - 3000 Hz
  • Voice coil diameter 88 mm (3.5 in)
  • Winding material Aluminium
  • Former material Glass Fibre
  • Winding depth 21 mm (0.85 in)
  • Magnetic gap depth 10 mm (0.39 in)
  • Flux density 1.15 T

Design

  • Surround shape Triple Roll
  • Cone shape Exponential
  • Magnet material Neodymium Inside Slug
  • Spider Double Silicone
  • Pole design T-Pole
  • Woofer cone treatment WP Waterproof Front Side
  • Recommended enclosure 125.0 dm3 (4.41 ft3)
  • Recommended tuning 45 Hz

Parameters

  • Fs 45 Hz
  • Re 5.0 Ω
  • Qes 0.36
  • Qms 6.1
  • Qts 0.34
  • Vas 126.0 dm3 (4.45 ft3)
  • Sd 855.0 cm2 (132.53 in2)
  • η₀ 3.1 %
  • Xmax 8.0 mm
  • Xvar 10.0 mm
  • Mms 102 g
  • Bl 20.1 Txm
  • Le 1.25 mH
  • EBP 125 Hz

Mounting and Shipping Info

  • Overall diameter 393 mm (15.47 in)
  • Bolt circle diameter 374 mm (14.72 in)
  • Baffle cutout diameter 354.0 mm (13.94 in)
  • Depth 177 mm (6.97 in)
  • Flange and gasket thickness 13 mm (0.51 in)
  • Air volume occupied by driver 3.5 dm3 (0.12 ft3)
  • Net weight 4.6 kg (10.14 lb)
  • Shipping units 1
  • Shipping weight 5.9 kg (13.01 lb)
  • Shipping box 420x420x200 mm (16.54x16.54x7.87 in)
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