Eighteen Sound 10NTLW2500

4Ω
8Ω16Ω

Subwoofer

Nominal diameter10″ / 260 mm
Resonance61 Hz
Q factor0.27
Sensitivity93.9 dB
Linear excursion± 7.6 mm
Program Power1000 W
Eighteen Sound 10NTLW2500 SubwooferEighteen Sound 10NTLW2500 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 93.9dB
  • Frequency response 55 - 4500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 61Hz
  • Mechanical quality factor QMS 16.00
  • Electrical quality factor QES 0.27
  • Total quality factor QTS 0.27

Large signal parameters

  • Maximum linear excursion xmax 7.6mm
  • Air volume displaced at xmax VD 263cm³
  • Power handling P 500W
  • Program power Pmax 1000W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 2.8Ω
  • Inductance (1kHz) LE 0.3mH
  • VC Diameter 64mm
  • Winding height HVC 19.7mm
  • Winding material Copper

Magnet

  • Force factor Bl 14.2N/A
  • Motor constant Bl/√RE 8.49N/√W
  • Air gap height HAG 9mm
  • Material Neodymium

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 346cm²
  • Moving mass MMS 54g
  • Moving mass (without air load) MMD 49.3g
  • Material Weather protected

Suspensions

  • Stiffness KMS 7.46N/mm
  • Compliance CMS 134µm/N
  • Equivalent volume to the compliance VAS 22L
  • Mechanical resistance RMS 1.29N·s/m

Dimensions

  • Nominal diameter 10″
  • 260mm
  • Overall diameter 260mm
  • Baffle cutout diameter 233mm
  • Overall depth 157mm
  • Flange thickness 9mm
  • Mounting depth 148mm
  • Volume occupied by the driver (estimated) 1.6L
  • Net weight 3.1kg
Impedance
SPL
Eighteen Sound 10NTLW2500 Impedance
Eighteen Sound 10NTLW2500 SPL
Eighteen Sound 10NTLW2500 Dimensions
PDF fileDatasheet

Export this driver to a simulation software:

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