EASTECH ASDWDB400-0300

Subwoofer

Nominal diameter8″ / 203 mm
Resonance44 Hz
Q factor0.52
Sensitivity84.7 dB
Linear excursion± 8.7 mm
Program Power500 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 84.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 44Hz
  • Mechanical quality factor QMS 2.94
  • Electrical quality factor QES 0.64
  • Total quality factor QTS 0.52

Large signal parameters

  • Maximum linear excursion xmax 8.7mm
  • Air volume displaced at xmax VD 174cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 3Ω
  • DC resistance RE 2.8Ω
  • Inductance (1kHz) LE 0.94mH
  • VC Diameter 35.5mm
  • Winding height HVC 25.3mm
  • Winding material 1-EISVW
  • Former material Aluminum

Magnet

  • Force factor Bl 7.92N/A
  • Motor constant Bl/√RE 4.75N/√W
  • Air gap height HAG 8mm
  • Material Ferrite

Diaphragm

  • Effective diameter 160mm
  • Effective area SD 201cm²
  • Moving mass MMS 52.2g
  • Moving mass (without air load) MMD 50.1g
  • Material Paper

Suspensions

  • Stiffness KMS 4N/mm
  • Compliance CMS 250µm/N
  • Equivalent volume to the compliance VAS 14.3L
  • Mechanical resistance RMS 4.91N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 8
  • 203mm
  • Volume occupied by the driver (estimated) 1.1L
  • Net weight 2.74kg
  • Frame material Steel
EASTECH ASDWDB400-0300 SPL & Impedance
EASTECH ASDWDB400-0300 Dimensions

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