Eighteen Sound 10NCX750

Coaxial

Nominal diameter10″ / 260 mm
Resonance64 Hz
Q factor0.25
Sensitivity95.5 dB
Linear excursion± 5.5 mm
Program Power700 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 95.5dB
  • Frequency response 60 - 1500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 64Hz
  • Mechanical quality factor QMS 7.90
  • Electrical quality factor QES 0.26
  • Total quality factor QTS 0.25

Large signal parameters

  • Maximum linear excursion xmax 5.5mm
  • Air volume displaced at xmax VD 190cm³
  • Power handling P 350W
  • Program power Pmax 700W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.3Ω
  • Inductance (1kHz) LE 0.54mH
  • VC Diameter 75mm
  • Winding height HVC 15mm
  • Winding material Copper

Magnet

  • Force factor Bl 20N/A
  • Motor constant Bl/√RE 8.69N/√W
  • Air gap height HAG 7.6mm
  • Material Neodymium

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 346cm²
  • Moving mass MMS 46g
  • Moving mass (without air load) MMD 41.3g
  • Material Water repellent

Suspensions

  • Stiffness KMS 7.87N/mm
  • Compliance CMS 127µm/N
  • Equivalent volume to the compliance VAS 23L
  • Mechanical resistance RMS 2.34N·s/m

Dimensions

  • Nominal diameter 10
  • 260mm
  • Overall diameter 260mm
  • Baffle cutout diameter 230mm
  • Overall depth 148mm
  • Flange thickness 14mm
  • Mounting depth 134mm
  • Volume occupied by the driver (estimated) 1.9L
  • Net weight 4.25kg
Eighteen Sound 10NCX750 Impedance
Eighteen Sound 10NCX750 SPL
Eighteen Sound 10NCX750 Dimensions

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