Eighteen Sound 10NTLW3500

16Ω

Subwoofer

Nominal diameter10″ / 260 mm
Resonance65 Hz
Q factor0.35
Sensitivity93.4 dB
Linear excursion± 7.9 mm
Program Power1600 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 93.4dB
  • Frequency response 60 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 65Hz
  • Mechanical quality factor QMS 11.60
  • Electrical quality factor QES 0.36
  • Total quality factor QTS 0.35

Large signal parameters

  • Maximum linear excursion xmax 7.9mm
  • Air volume displaced at xmax VD 273cm³
  • Power handling P 800W
  • Program power Pmax 1600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.1Ω
  • Inductance (1kHz) LE 0.42mH
  • VC Diameter 88mm
  • Winding height HVC 22mm
  • Winding material Aluminum

Magnet

  • Force factor Bl 19.2N/A
  • Motor constant Bl/√RE 8.5N/√W
  • Air gap height HAG 12.5mm
  • Material Neodymium

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 346cm²
  • Moving mass MMS 58g
  • Moving mass (without air load) MMD 53.3g
  • Material Reinforced, water repellent

Suspensions

  • Stiffness KMS 9.71N/mm
  • Compliance CMS 103µm/N
  • Equivalent volume to the compliance VAS 16L
  • Mechanical resistance RMS 2.04N·s/m

Dimensions

  • Nominal diameter 10
  • 260mm
  • Overall diameter 260mm
  • Baffle cutout diameter 233mm
  • Overall depth 177mm
  • Flange thickness 11mm
  • Mounting depth 166mm
  • Volume occupied by the driver (estimated) 2.2L
  • Net weight 4.2kg
Eighteen Sound 10NTLW3500 Impedance
Eighteen Sound 10NTLW3500 SPL
Eighteen Sound 10NTLW3500 Dimensions

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