ESX SXE8D2

2x2Ω

Subwoofer

Nominal diameter8″ / 200 mm
Resonance37 Hz
Q factor0.40
Sensitivity85.3 dB
Linear excursion± 6 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 85.3dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 37Hz
  • Mechanical quality factor QMS 2.64
  • Electrical quality factor QES 0.47
  • Total quality factor QTS 0.40

Large signal parameters

  • Maximum linear excursion xmax 6mm
  • Maximum excursion before damage xlim 15mm
  • Air volume displaced at xmax VD 128cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 4.0Ω
  • Inductance (1kHz, in series) LE 1.92mH
  • VC Diameter 50mm
  • Winding height HVC 20mm
  • Former material Aluminium

Magnet

  • Force factor (in series) Bl 10.4N/A
  • Motor constant Bl/√RE 5.2N/√W
  • Diameter 110mm
  • Height 40mm
  • Weight 1.361kg

Diaphragm

  • Effective diameter 165mm
  • Effective area SD 214cm²
  • Moving mass MMS 55.4g
  • Moving mass (without air load) MMD 53g
  • Material Non-pressed Paper

Suspensions

  • Stiffness KMS 2.96N/mm
  • Compliance CMS 338µm/N
  • Equivalent volume to the compliance VAS 21.4L
  • Mechanical resistance RMS 4.88N·s/m
  • Surround material Rubber
  • Spider material Single Nomex

Dimensions

  • Nominal diameter 8
  • 200mm
  • Overall diameter 216mm
  • Baffle cutout diameter 182mm
  • Mounting depth 121mm
  • Volume occupied by the driver (estimated) 1.9L
  • Net weight 4.4kg
  • Frame material Diecast Aluminium

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