EASTECH FSB011530-0800

Full-range

Nominal diameter3″ / 76 mm
Resonance190 Hz
Q factor0.78
Sensitivity88.9 dB
Linear excursion± 0.7 mm
Program Power40 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 88.9dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 190Hz
  • Mechanical quality factor QMS 3.87
  • Electrical quality factor QES 0.97
  • Total quality factor QTS 0.78

Large signal parameters

  • Maximum linear excursion xmax 0.7mm
  • Air volume displaced at xmax VD 3cm³
  • Power handling P 20W
  • Program power Pmax 40W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.0Ω
  • Inductance (1kHz) LE 0.216mH
  • VC Diameter 20.3mm
  • Winding height HVC 5.3mm
  • Winding material PESVW
  • Former material Kraft

Magnet

  • Force factor Bl 5.08N/A
  • Motor constant Bl/√RE 1.92N/√W
  • Air gap height HAG 4mm
  • Material Ferrite

Diaphragm

  • Effective diameter 76mm
  • Effective area SD 45.4cm²
  • Moving mass MMS 2.89g
  • Moving mass (without air load) MMD 2.7g
  • Material Paper

Suspensions

  • Stiffness KMS 4.24N/mm
  • Compliance CMS 236µm/N
  • Equivalent volume to the compliance VAS 0.685L
  • Mechanical resistance RMS 0.905N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 3
  • 76mm
  • Volume occupied by the driver (estimated) 0.21L
  • Net weight 0.545kg
  • Frame material Steel
EASTECH FSB011530-0800 SPL & Impedance
EASTECH FSB011530-0800 Dimensions

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