B&C Speaker 18NW100

Subwoofer

Nominal diameter18″ / 460 mm
Resonance31 Hz
Q factor0.26
Sensitivity95.7 dB
Linear excursion± 9 mm
Program Power2400 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 95.7dB
  • Frequency response 35 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 31Hz
  • Mechanical quality factor QMS 4.20
  • Electrical quality factor QES 0.27
  • Total quality factor QTS 0.26

Large signal parameters

  • Maximum linear excursion xmax 9mm
  • Air volume displaced at xmax VD 1089cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.1Ω
  • Inductance (1kHz) LE 1.7mH
  • VC Diameter 100mm
  • Winding height HVC 25mm
  • Winding material Copper
  • Former material Glass Fibre

Magnet

  • Flux density B 1.2T
  • Force factor Bl 28N/A
  • Motor constant Bl/√RE 12.4N/√W
  • Air gap height HAG 12mm
  • Material Neodymium Inside Slug

Diaphragm

  • Effective diameter 393mm
  • Effective area SD 1210cm²
  • Moving mass MMS 211g
  • Moving mass (without air load) MMD 182g
  • Material Waterproof Both Sides

Suspensions

  • Stiffness KMS 8.07N/mm
  • Compliance CMS 124µm/N
  • Equivalent volume to the compliance VAS 252L
  • Mechanical resistance RMS 9.79N·s/m
  • Spider material Silicone

Dimensions

  • Nominal diameter 18
  • 460mm
  • Overall diameter 460mm
  • Baffle cutout diameter 422mm
  • Overall depth 209mm
  • Flange thickness 16mm
  • Mounting depth 193mm
  • Volume occupied by the driver 8.5L
  • Net weight 9.05kg
B&C Speaker 18NW100 Impedance
B&C Speaker 18NW100 SPL
B&C Speaker 18NW100 Dimensions

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