Eighteen Sound 10NMB420 16Ω

16Ω

Woofer

Nominal diameter10″ / 260 mm
Resonance65 Hz
Q factor0.33
Sensitivity96.7 dB
Linear excursion± 4 mm
Program Power500 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 96.7dB
  • Frequency response 65 - 5000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 65Hz
  • Mechanical quality factor QMS 4.60
  • Electrical quality factor QES 0.36
  • Total quality factor QTS 0.33

Large signal parameters

  • Maximum linear excursion xmax 4mm
  • Air volume displaced at xmax VD 138cm³
  • Power handling P 350W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 16Ω
  • DC resistance RE 10.5Ω
  • Inductance (1kHz) LE 0.4mH
  • VC Diameter 65mm
  • Winding material Aluminum

Magnet

  • Force factor Bl 19.5N/A
  • Motor constant Bl/√RE 6.02N/√W
  • Material Neodymium

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 346cm²
  • Moving mass MMS 31.5g
  • Moving mass (without air load) MMD 26.8g
  • Material Weather protected

Suspensions

  • Stiffness KMS 5.26N/mm
  • Compliance CMS 190µm/N
  • Equivalent volume to the compliance VAS 30L
  • Mechanical resistance RMS 2.8N·s/m

Dimensions

  • Nominal diameter 10
  • 260mm
  • Overall diameter 260mm
  • Baffle cutout diameter 232mm
  • Overall depth 122mm
  • Flange thickness 11mm
  • Mounting depth 111mm
  • Volume occupied by the driver (estimated) 1.4L
  • Net weight 3.0kg
Eighteen Sound 10NMB420 16Ω Impedance
Eighteen Sound 10NMB420 16Ω SPL
Eighteen Sound 10NMB420 16Ω Dimensions

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