EASTECH FSIFD3617-1400

4Ω

Full-range

Nominal size1.5x4″ / 42x100 mm
Resonance212 Hz
Q factor1.32
Sensitivity84.9 dB
Linear excursion± 1.8 mm
Program power60 W
EASTECH FSIFD3617-1400 Full-rangeEASTECH FSIFD3617-1400 Full-range
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 84.9dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 212Hz
  • Mechanical quality factor QMS 3.82
  • Electrical quality factor QES 2.01
  • Total quality factor QTS 1.32

Large signal parameters

  • Maximum linear excursion (one way) xmax 1.8mm
  • Air volume displaced at xmax VD 4.4cm³
  • Power handling P 36W
  • Program power Pmax 60W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.4Ω
  • Inductance (1kHz) LE 0.046mH
  • VC Diameter 14.3mm
  • Winding height HVC 6.6mm
  • Winding material EISVW
  • Former material Kapton

Magnet

  • Force factor Bl 2.2N/A
  • Motor constant Bl/√RE 1.19N/√W
  • Air gap height HAG 3mm
  • Material Ferrite

Diaphragm

  • Effective diameter 56mm
  • Effective area SD 24.4cm²
  • Moving mass (including air load) MMS 2.15g
  • Moving mass MMD 2.1g
  • Material Paper

Suspensions

  • Stiffness KMS 3.83N/mm
  • Compliance CMS 261µm/N
  • Equivalent volume to the compliance VAS 0.934L
  • Mechanical resistance RMS 0.752N·s/m
  • Surround material Cloth

Dimensions

  • Nominal size 1.5 x 4″
  • 42 x 100mm
  • Net weight 0.244kg
  • Frame material Steel
SPL & Impedance
EASTECH FSIFD3617-1400 SPL & Impedance
EASTECH FSIFD3617-1400 Dimensions
PDF fileDatasheet

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