EASTECH ASDSD4025-0401

Subwoofer

Nominal diameter5.25″ / 133 mm
Resonance66 Hz
Q factor0.74
Sensitivity82.6 dB
Linear excursion± 2.6 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 82.6dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 66Hz
  • Mechanical quality factor QMS 5.77
  • Electrical quality factor QES 0.85
  • Total quality factor QTS 0.74

Large signal parameters

  • Maximum linear excursion xmax 2.6mm
  • Maximum excursion before damage xlim 14.6mm
  • Air volume displaced at xmax VD 24cm³
  • Power handling P 40W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.5Ω
  • Inductance (1kHz) LE 1.23mH
  • VC Diameter 29.6mm
  • Winding height HVC 10.1mm
  • Winding material PESVW
  • Former material Aluminum

Magnet

  • Force factor Bl 6.71N/A
  • Motor constant Bl/√RE 3.59N/√W
  • Air gap height HAG 5mm
  • Material Ferrite

Diaphragm

  • Effective diameter 110mm
  • Effective area SD 95cm²
  • Moving mass MMS 26.1g
  • Moving mass (without air load) MMD 25.4g
  • Material Paper

Suspensions

  • Stiffness KMS 4.55N/mm
  • Compliance CMS 220µm/N
  • Equivalent volume to the compliance VAS 2.85L
  • Mechanical resistance RMS 1.87N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 5.25
  • 133mm
  • Volume occupied by the driver (estimated) 0.3L
  • Net weight 0.78kg
  • Frame material Steel
EASTECH ASDSD4025-0401 SPL & Impedance
EASTECH ASDSD4025-0401 Dimensions

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