Eighteen Sound 6ND430 16Ω

16Ω

Woofer

Nominal diameter6.5″ / 152 mm
Resonance66 Hz
Q factor0.30
Sensitivity93 dB
Linear excursion± 5 mm
Program Power260 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 93dB
  • Frequency response 65 - 7300Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 66Hz
  • Mechanical quality factor QMS 6.32
  • Electrical quality factor QES 0.32
  • Total quality factor QTS 0.30

Large signal parameters

  • Maximum linear excursion xmax 5mm
  • Air volume displaced at xmax VD 67cm³
  • Power handling P 200W
  • Program power Pmax 260W

Voice Coil

  • Nominal impedance Z 16Ω
  • DC resistance RE 10.6Ω
  • Inductance (1kHz) LE 0.42mH
  • VC Diameter 44mm

Magnet

  • Force factor Bl 12N/A
  • Motor constant Bl/√RE 3.69N/√W
  • Material Neodymium

Diaphragm

  • Effective diameter 130mm
  • Effective area SD 133cm²
  • Moving mass MMS 10.3g
  • Moving mass (without air load) MMD 9.2g
  • Material Weather protected

Suspensions

  • Stiffness KMS 1.77N/mm
  • Compliance CMS 565µm/N
  • Equivalent volume to the compliance VAS 12.6L
  • Mechanical resistance RMS 0.68N·s/m

Dimensions

  • Nominal diameter 6.5
  • 152mm
  • Overall diameter 162mm
  • Baffle cutout diameter 148mm
  • Overall depth 73mm
  • Flange thickness 9mm
  • Mounting depth 64mm
  • Volume occupied by the driver (estimated) 0.41L
  • Net weight 1.25kg
Eighteen Sound 6ND430 16Ω Impedance
Eighteen Sound 6ND430 16Ω SPL
Eighteen Sound 6ND430 16Ω Dimensions

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