Eighteen Sound 15ND940 16Ω

4Ω8Ω
16Ω

Subwoofer

Nominal diameter15″ / 380 mm
Resonance41 Hz
Q factor0.36
Sensitivity96.9 dB
Linear excursion± 9.5 mm
Program Power1200 W
Eighteen Sound 15ND940 16Ω SubwooferEighteen Sound 15ND940 16Ω Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 96.9dB
  • Frequency response 38 - 3300Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 41Hz
  • Mechanical quality factor QMS 4.60
  • Electrical quality factor QES 0.39
  • Total quality factor QTS 0.36

Large signal parameters

  • Maximum linear excursion xmax 9.5mm
  • Air volume displaced at xmax VD 837cm³
  • Power handling P 600W
  • Program power Pmax 1200W

Voice Coil

  • Nominal impedance Z 16Ω
  • DC resistance RE 10.7Ω
  • Inductance (1kHz) LE 1mH
  • VC Diameter 75mm
  • Winding height HVC 23.5mm
  • Winding material Copper

Magnet

  • Force factor Bl 26.6N/A
  • Motor constant Bl/√RE 8.13N/√W
  • Air gap height HAG 9mm
  • Material Neodymium

Diaphragm

  • Effective diameter 335mm
  • Effective area SD 881cm²
  • Moving mass MMS 102g
  • Moving mass (without air load) MMD 83.8g
  • Material Reinforced, water repellent

Suspensions

  • Stiffness KMS 6.62N/mm
  • Compliance CMS 151µm/N
  • Equivalent volume to the compliance VAS 166L
  • Mechanical resistance RMS 5.71N·s/m

Dimensions

  • Nominal diameter 15″
  • 380mm
  • Overall diameter 393mm
  • Baffle cutout diameter 354mm
  • Overall depth 184mm
  • Flange thickness 13mm
  • Mounting depth 171mm
  • Volume occupied by the driver (estimated) 3.1L
  • Net weight 4.7kg
Impedance
SPL
Eighteen Sound 15ND940 16Ω Impedance
Eighteen Sound 15ND940 16Ω SPL
Eighteen Sound 15ND940 16Ω Dimensions
PDF fileDatasheet

Export this driver to a simulation software:

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