EASTECH FSB521530-3412

Full-range

Nominal diameter3″ / 76 mm
Resonance181 Hz
Q factor1.49
Sensitivity86.8 dB
Linear excursion± 1 mm
Program Power30 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 86.8dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 181Hz
  • Mechanical quality factor QMS 9.22
  • Electrical quality factor QES 1.78
  • Total quality factor QTS 1.49

Large signal parameters

  • Maximum linear excursion xmax 1mm
  • Air volume displaced at xmax VD 3cm³
  • Power handling P 15W
  • Program power Pmax 30W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.8Ω
  • Inductance (1kHz) LE 0.128mH
  • VC Diameter 16.4mm
  • Winding height HVC 5mm
  • Winding material PESVW
  • Former material Kapton

Magnet

  • Force factor Bl 2.51N/A
  • Motor constant Bl/√RE 1.28N/√W
  • Air gap height HAG 3mm
  • Material Ferrite

Diaphragm

  • Effective diameter 62mm
  • Effective area SD 30.2cm²
  • Moving mass MMS 2.59g
  • Moving mass (without air load) MMD 2.5g
  • Material Paper

Suspensions

  • Stiffness KMS 3.34N/mm
  • Compliance CMS 299µm/N
  • Equivalent volume to the compliance VAS 0.385L
  • Mechanical resistance RMS 0.319N·s/m
  • Surround material Cloth

Dimensions

  • Nominal diameter 3
  • 76mm
  • Net weight 0.212kg
  • Frame material Steel
EASTECH FSB521530-3412 SPL & Impedance
EASTECH FSB521530-3412 Dimensions

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