EASTECH FSB012030-0A00

10Ω

Woofer

Nominal diameter3″ / 76 mm
Resonance122 Hz
Q factor0.52
Sensitivity82.9 dB
Linear excursion± 2.4 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 82.9dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 122Hz
  • Mechanical quality factor QMS 4.03
  • Electrical quality factor QES 0.60
  • Total quality factor QTS 0.52

Large signal parameters

  • Maximum linear excursion xmax 2.4mm
  • Air volume displaced at xmax VD 6.8cm³
  • Power handling P 15W
  • Program power Pmax 30W

Voice Coil

  • Nominal impedance Z 10Ω
  • DC resistance RE 9.2Ω
  • Inductance (1kHz) LE 0.704mH
  • VC Diameter 20.3mm
  • Winding height HVC 7.8mm
  • Winding material PESVW
  • Former material Aluminum

Magnet

  • Force factor Bl 7.48N/A
  • Motor constant Bl/√RE 2.46N/√W
  • Air gap height HAG 3mm
  • Material Ferrite

Diaphragm

  • Effective diameter 60mm
  • Effective area SD 28.3cm²
  • Moving mass MMS 4.7g
  • Moving mass (without air load) MMD 4.6g
  • Material Paper

Suspensions

  • Stiffness KMS 2.76N/mm
  • Compliance CMS 363µm/N
  • Equivalent volume to the compliance VAS 0.411L
  • Mechanical resistance RMS 0.894N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 3
  • 76mm
  • Volume occupied by the driver (estimated) 0.15L
  • Net weight 0.41kg
  • Frame material Steel
EASTECH FSB012030-0A00 SPL & Impedance
EASTECH FSB012030-0A00 Dimensions

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