LaVoce WSF122.50

Woofer

Nominal diameter12″ / 300 mm
Resonance49 Hz
Q factor0.33
Sensitivity95.2 dB
Linear excursion± 4.7 mm
Program power500 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 95.2dB
  • Frequency response 50 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 49Hz
  • Mechanical quality factor QMS 6.64
  • Electrical quality factor QES 0.35
  • Total quality factor QTS 0.33

Large signal parameters

  • Maximum linear excursion (one way) xmax 4.7mm
  • Maximum excursion before damage xlim 8.8mm
  • Air volume displaced at xmax VD 250cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.6Ω
  • Inductance (1kHz) LE 0.82mH
  • VC Diameter 65mm
  • Winding height HVC 13.4mm
  • Winding material Copper
  • Former material Glass fiber

Magnet

  • Force factor Bl 17.2N/A
  • Motor constant Bl/√RE 7.27N/√W
  • Air gap height HAG 8.2mm
  • Diameter 160mm
  • Height 20mm
  • Material Ferrite

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 531cm²
  • Moving mass (including air load) MMS 59.5g
  • Moving mass MMD 50.1g
  • Material Water resistant treated paper

Suspensions

  • Stiffness KMS 5.56N/mm
  • Compliance CMS 176µm/N
  • Equivalent volume to the compliance VAS 70.2L
  • Mechanical resistance RMS 3.25N·s/m
  • Surround material Polycotton

Dimensions

  • Nominal diameter 12
  • 300mm
  • Volume occupied by the driver 2L
  • Net weight 4.7kg
  • Frame material Steel
LaVoce WSF122.50 SPL & Impedance
LaVoce WSF122.50 Dimensions

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