EASTECH ASDSD4018-0401

Subwoofer

Nominal diameter6.5″ / 165 mm
Resonance49.9 Hz
Q factor0.61
Sensitivity83.2 dB
Linear excursion± 3.8 mm
Program Power260 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 83.2dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 49.9Hz
  • Mechanical quality factor QMS 4.86
  • Electrical quality factor QES 0.70
  • Total quality factor QTS 0.61

Large signal parameters

  • Maximum linear excursion xmax 3.8mm
  • Maximum excursion before damage xlim 15mm
  • Air volume displaced at xmax VD 50cm³
  • Power handling P 130W
  • Program power Pmax 260W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.4Ω
  • Inductance (1kHz) LE 0.976mH
  • VC Diameter 30.5mm
  • Winding height HVC 13.5mm
  • Winding material PESVW
  • Former material Aluminum

Magnet

  • Force factor Bl 7.33N/A
  • Motor constant Bl/√RE 3.96N/√W
  • Air gap height HAG 6mm
  • Material Ferrite

Diaphragm

  • Effective diameter 130mm
  • Effective area SD 133cm²
  • Moving mass MMS 35.1g
  • Moving mass (without air load) MMD 34g
  • Material Paper

Suspensions

  • Stiffness KMS 3.36N/mm
  • Compliance CMS 298µm/N
  • Equivalent volume to the compliance VAS 7.21L
  • Mechanical resistance RMS 2.26N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 6.5
  • 165mm
  • Volume occupied by the driver (estimated) 0.54L
  • Net weight 1.352kg
  • Frame material Steel
EASTECH ASDSD4018-0401 SPL & Impedance
EASTECH ASDSD4018-0401 Dimensions

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