EASTECH FSIFD0520-2600

Full-range

Nominal diameter2″ / 51 mm
Resonance152 Hz
Q factor1.28
Sensitivity82.4 dB
Linear excursion± 1.1 mm
Program power10 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 82.4dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 152Hz
  • Mechanical quality factor QMS 11.82
  • Electrical quality factor QES 1.44
  • Total quality factor QTS 1.28

Large signal parameters

  • Maximum linear excursion (one way) xmax 1.1mm
  • Air volume displaced at xmax VD 1.5cm³
  • Power handling P 5W
  • Program power Pmax 10W

Voice Coil

  • Nominal impedance Z 6Ω
  • DC resistance RE 5.2Ω
  • Inductance (1kHz) LE 0.12mH
  • VC Diameter 16.4mm
  • Winding height HVC 5.2mm
  • Winding material Copper Clad Aluminium
  • Former material Kapton

Magnet

  • Force factor Bl 2.08N/A
  • Motor constant Bl/√RE 0.91N/√W
  • Air gap height HAG 3mm
  • Material Ferrite

Diaphragm

  • Effective diameter 42mm
  • Effective area SD 13.9cm²
  • Moving mass (including air load) MMS 1.23g
  • Moving mass MMD 1.2g
  • Material Paper

Suspensions

  • Stiffness KMS 1.13N/mm
  • Compliance CMS 887µm/N
  • Equivalent volume to the compliance VAS 0.241L
  • Mechanical resistance RMS 0.1N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 2
  • 51mm
  • Net weight 0.16kg
  • Frame material Steel
EASTECH FSIFD0520-2600 SPL & Impedance
EASTECH FSIFD0520-2600 Dimensions

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