Dayton Audio Epique E150HE-44

2x4Ω

Subwoofer

Nominal diameter5.5″ / 150 mm
Resonance40 Hz
Q factor0.39
Sensitivity82.1 dB
Linear excursion± 14.7 mm
Program power400 W
Frequency
Hz
Impedance
Ω
Impedance phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical phase
°
Group delay
ms
Transient response
ms
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Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 82.1dB
  • Frequency response 30 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 40Hz
  • Mechanical quality factor QMS 2.94
  • Electrical quality factor QES 0.45
  • Total quality factor QTS 0.39

Large signal parameters

  • Maximum linear excursion (one way) xmax 14.7mm
  • Air volume displaced at xmax VD 140cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.6Ω
  • Inductance (1kHz, in series) LE 1.6mH
  • VC Diameter 38mm
  • Winding material Copper

Magnet

  • Force factor (in series) Bl 9.8N/A
  • Motor constant Bl/√RE 3.81N/√W
  • Diameter 122mm
  • Material Ferrite

Diaphragm

  • Effective diameter 110mm
  • Effective area SD 95cm²
  • Moving mass (including air load) MMS 26.6g
  • Moving mass MMD 25.9g
  • Material Carbon Fiber

Suspensions

  • Stiffness KMS 1.67N/mm
  • Compliance CMS 600µm/N
  • Equivalent volume to the compliance VAS 7.65L
  • Mechanical resistance RMS 2.27N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 5.5
  • 150mm
  • Overall diameter 152mm
  • Baffle cutout diameter 127mm
  • Overall depth 111mm
  • Flange thickness 6mm
  • Mounting depth 105mm
  • Volume occupied by the driver (estimated) 0.66L
  • Frame material Cast Aluminium
Dayton Audio E150HE-44 Impedance
Dayton Audio E150HE-44 SPL

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