EASTECH ASDSD4000-0400

Subwoofer

Nominal diameter5.25″ / 133 mm
Resonance59.8 Hz
Q factor0.49
Sensitivity83 dB
Linear excursion± 4.3 mm
Program Power80 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 83dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 59.8Hz
  • Mechanical quality factor QMS 7.16
  • Electrical quality factor QES 0.52
  • Total quality factor QTS 0.49

Large signal parameters

  • Maximum linear excursion xmax 4.3mm
  • Air volume displaced at xmax VD 38cm³
  • Power handling P 40W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.5Ω
  • Inductance (1kHz) LE 0.82mH
  • VC Diameter 30.5mm
  • Winding height HVC 12.5mm
  • Winding material PESVW
  • Former material Kapton

Magnet

  • Force factor Bl 8.05N/A
  • Motor constant Bl/√RE 4.3N/√W
  • Air gap height HAG 4mm
  • Material Ferrite

Diaphragm

  • Effective diameter 133mm
  • Effective area SD 88.3cm²
  • Moving mass MMS 25.8g
  • Moving mass (without air load) MMD 25.2g
  • Material Paper

Suspensions

  • Stiffness KMS 3.57N/mm
  • Compliance CMS 280µm/N
  • Equivalent volume to the compliance VAS 3.03L
  • Mechanical resistance RMS 1.35N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 5.25
  • 133mm
  • Volume occupied by the driver (estimated) 0.47L
  • Net weight 1.172kg
  • Frame material Steel
EASTECH ASDSD4000-0400 SPL & Impedance
EASTECH ASDSD4000-0400 Dimensions

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fS64 Hz
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