B&C Speaker 14NDL88

Woofer

Nominal diameter13.5″ / 359 mm
Resonance45 Hz
Q factor0.30
Sensitivity96 dB
Linear excursion± 8 mm
Program Power1400 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 96dB
  • Frequency response 45 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 45Hz
  • Mechanical quality factor QMS 7.80
  • Electrical quality factor QES 0.31
  • Total quality factor QTS 0.30

Large signal parameters

  • Maximum linear excursion xmax 8mm
  • Air volume displaced at xmax VD 566cm³
  • Power handling P 700W
  • Program power Pmax 1400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.0Ω
  • Inductance (1kHz) LE 1.2mH
  • VC Diameter 88mm
  • Winding height HVC 21mm
  • Winding material Aluminium
  • Former material Glass Fibre

Magnet

  • Flux density B 1.15T
  • Force factor Bl 19.9N/A
  • Motor constant Bl/√RE 8.9N/√W
  • Air gap height HAG 10mm
  • Material Neodymium Inside Slug

Diaphragm

  • Effective diameter 300mm
  • Effective area SD 707cm²
  • Moving mass MMS 86g
  • Moving mass (without air load) MMD 72.7g
  • Material Waterproof Front Side

Suspensions

  • Stiffness KMS 6.94N/mm
  • Compliance CMS 144µm/N
  • Equivalent volume to the compliance VAS 102L
  • Mechanical resistance RMS 3.12N·s/m
  • Spider material Silicone

Dimensions

  • Nominal diameter 13.5
  • 359mm
  • Overall diameter 359mm
  • Baffle cutout diameter 323mm
  • Overall depth 167mm
  • Flange thickness 12mm
  • Mounting depth 155mm
  • Volume occupied by the driver 3.5L
  • Net weight 5.3kg
B&C Speaker 14NDL88 Impedance
B&C Speaker 14NDL88 SPL
B&C Speaker 14NDL88 Dimensions

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