EASTECH FSA510525-2400

4Ω

Full-range

Nominal diameter2.5″ / 64 mm
Resonance238 Hz
Q factor1.01
Sensitivity86.7 dB
Linear excursion± 0.5 mm
Program power6 W
EASTECH FSA510525-2400 Full-rangeEASTECH FSA510525-2400 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 86.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 238Hz
  • Mechanical quality factor QMS 8.76
  • Electrical quality factor QES 1.14
  • Total quality factor QTS 1.01

Large signal parameters

  • Maximum linear excursion (one way) xmax 0.5mm
  • Air volume displaced at xmax VD 1.1cm³
  • Power handling P 3W
  • Program power Pmax 6W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.5Ω
  • Inductance (1kHz) LE 0.096mH
  • VC Diameter 20.3mm
  • Winding height HVC 4.9mm
  • Winding material Copper Clad Aluminium
  • Former material Kapton

Magnet

  • Force factor Bl 2.95N/A
  • Motor constant Bl/√RE 1.58N/√W
  • Air gap height HAG 4mm
  • Material Neodymium

Diaphragm

  • Effective diameter 55mm
  • Effective area SD 23.8cm²
  • Moving mass (including air load) MMS 1.89g
  • Moving mass MMD 1.8g
  • Material Paper

Suspensions

  • Stiffness KMS 4.24N/mm
  • Compliance CMS 236µm/N
  • Equivalent volume to the compliance VAS 0.188L
  • Mechanical resistance RMS 0.323N·s/m
  • Surround material Cloth

Dimensions

  • Nominal diameter 2.5″
  • 64mm
  • Net weight 0.089kg
  • Frame material Steel
SPL & Impedance
EASTECH FSA510525-2400 SPL & Impedance
EASTECH FSA510525-2400 Dimensions
PDF fileDatasheet

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