ESX VXP84

Shallow_subwoofer

Nominal diameter8″ / 200 mm
Resonance36 Hz
Q factor0.50
Sensitivity84.2 dB
Linear excursion± 12 mm
Program Power600 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 84.2dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 36Hz
  • Mechanical quality factor QMS 7.53
  • Electrical quality factor QES 0.54
  • Total quality factor QTS 0.50

Large signal parameters

  • Maximum linear excursion xmax 12mm
  • Maximum excursion before damage xlim 20mm
  • Air volume displaced at xmax VD 272cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.8Ω
  • Inductance (1kHz) LE 1.52mH
  • VC Diameter 51mm
  • Winding height HVC 32mm
  • Former material TIL (Glass-Fibre)

Magnet

  • Force factor Bl 11.2N/A
  • Motor constant Bl/√RE 5.75N/√W
  • Diameter 134mm
  • Height 34mm
  • Weight 1.928kg

Diaphragm

  • Effective diameter 170mm
  • Effective area SD 227cm²
  • Moving mass MMS 76.5g
  • Moving mass (without air load) MMD 74g
  • Material Glass-Fibre/Honeycomb

Suspensions

  • Stiffness KMS 3.88N/mm
  • Compliance CMS 258µm/N
  • Equivalent volume to the compliance VAS 18.9L
  • Mechanical resistance RMS 2.3N·s/m
  • Surround material Rubber
  • Spider material Single Nomex

Dimensions

  • Nominal diameter 8
  • 200mm
  • Overall diameter 210mm
  • Baffle cutout diameter 189mm
  • Mounting depth 87mm
  • Volume occupied by the driver (estimated) 2.4L
  • Net weight 5.4kg
  • Frame material Diecast Aluminium


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