EASTECH FSB113030-0800

Full-range

Nominal diameter3″ / 76 mm
Resonance140 Hz
Q factor0.85
Sensitivity83.1 dB
Linear excursion± 2 mm
Program Power60 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 83.1dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 140Hz
  • Mechanical quality factor QMS 3.03
  • Electrical quality factor QES 1.18
  • Total quality factor QTS 0.85

Large signal parameters

  • Maximum linear excursion xmax 2mm
  • Air volume displaced at xmax VD 5.7cm³
  • Power handling P 30W
  • Program power Pmax 60W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.3Ω
  • Inductance (1kHz) LE 0.236mH
  • VC Diameter 20.3mm
  • Winding height HVC 6.9mm
  • Winding material PESVW
  • Former material Aluminum

Magnet

  • Force factor Bl 4.15N/A
  • Motor constant Bl/√RE 1.53N/√W
  • Air gap height HAG 3mm
  • Material Ferrite

Diaphragm

  • Effective diameter 61mm
  • Effective area SD 29.2cm²
  • Moving mass MMS 3.08g
  • Moving mass (without air load) MMD 3g
  • Material Paper

Suspensions

  • Stiffness KMS 2.52N/mm
  • Compliance CMS 397µm/N
  • Equivalent volume to the compliance VAS 0.48L
  • Mechanical resistance RMS 0.919N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 3
  • 76mm
  • Volume occupied by the driver (estimated) 0.12L
  • Net weight 0.327kg
  • Frame material Steel
EASTECH FSB113030-0800 SPL & Impedance
EASTECH FSB113030-0800 Dimensions

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