EASTECH ASDFD4005-0801

Full-range

Nominal diameter3″ / 76 mm
Resonance165 Hz
Q factor0.69
Sensitivity87 dB
Linear excursion± 1.8 mm
Program Power50 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 87dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 165Hz
  • Mechanical quality factor QMS 10.20
  • Electrical quality factor QES 0.74
  • Total quality factor QTS 0.69

Large signal parameters

  • Maximum linear excursion xmax 1.8mm
  • Air volume displaced at xmax VD 5.3cm³
  • Power handling P 25W
  • Program power Pmax 50W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.3Ω
  • Inductance (1kHz) LE 0.18mH
  • VC Diameter 20.3mm
  • Winding height HVC 7mm
  • Winding material PESVCCAW
  • Former material Polyimide

Magnet

  • Force factor Bl 4.77N/A
  • Motor constant Bl/√RE 1.77N/√W
  • Air gap height HAG 3.5mm
  • Material Ferrite

Diaphragm

  • Effective diameter 62mm
  • Effective area SD 30.2cm²
  • Moving mass MMS 2.23g
  • Moving mass (without air load) MMD 2.1g
  • Material Paper

Suspensions

  • Stiffness KMS 2.38N/mm
  • Compliance CMS 420µm/N
  • Equivalent volume to the compliance VAS 0.538L
  • Mechanical resistance RMS 0.23N·s/m
  • Surround material Cloth

Dimensions

  • Nominal diameter 3
  • 76mm
  • Volume occupied by the driver (estimated) 0.17L
  • Net weight 0.45kg
  • Frame material Steel
EASTECH ASDFD4005-0801 SPL & Impedance
EASTECH ASDFD4005-0801 Dimensions

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