LaVoce FSF122.02

Full-range

Nominal diameter12″ / 300 mm
Resonance59 Hz
Q factor0.39
Sensitivity97.2 dB
Linear excursion± 3.2 mm
Program power300 W
Frequency
Hz
Impedance
Ω
Impedance phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical phase
°
Group delay
ms
Transient response
ms
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Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 97.2dB
  • Frequency response 60 - 10000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 59Hz
  • Mechanical quality factor QMS 5.18
  • Electrical quality factor QES 0.43
  • Total quality factor QTS 0.39

Large signal parameters

  • Maximum linear excursion (one way) xmax 3.2mm
  • Maximum excursion before damage xlim 7.2mm
  • Air volume displaced at xmax VD 170cm³
  • Power handling P 150W
  • Program power Pmax 300W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.9Ω
  • Inductance (1kHz) LE 0.55mH
  • VC Diameter 45mm
  • Winding height HVC 10.4mm
  • Winding material Copper
  • Former material Polyimide

Magnet

  • Force factor Bl 14.8N/A
  • Motor constant Bl/√RE 6.08N/√W
  • Air gap height HAG 8mm
  • Diameter 156mm
  • Height 20mm
  • Material Ferrite

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 531cm²
  • Moving mass (including air load) MMS 42.5g
  • Moving mass MMD 34.1g
  • Material Water resistant treated paper

Suspensions

  • Stiffness KMS 5.81N/mm
  • Compliance CMS 172µm/N
  • Equivalent volume to the compliance VAS 68.7L
  • Mechanical resistance RMS 3.04N·s/m
  • Surround material Polycotton

Dimensions

  • Nominal diameter 12
  • 300mm
  • Volume occupied by the driver 2.32L
  • Net weight 4.4kg
  • Frame material Steel
LaVoce FSF122.02 SPL & Impedance
LaVoce FSF122.02 Dimensions

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