LaVoce WSN122.50-4

4Ω
8Ω16Ω

Woofer

Nominal diameter12″ / 300 mm
Resonance49 Hz
Q factor0.29
Sensitivity95.4 dB
Linear excursion± 5.3 mm
Program Power500 W
LaVoce WSN122.50-4 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 95.4dB
  • Frequency response 50 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 49Hz
  • Mechanical quality factor QMS 4.29
  • Electrical quality factor QES 0.34
  • Total quality factor QTS 0.29

Large signal parameters

  • Maximum linear excursion (one way) xmax 5.3mm
  • Maximum excursion before damage xlim 9.5mm
  • Air volume displaced at xmax VD 281cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.1Ω
  • Inductance (1kHz) LE 0.49mH
  • VC Diameter 65mm
  • Winding height HVC 14.7mm
  • Winding material Copper
  • Former material Glass fiber

Magnet

  • Force factor Bl 13.6N/A
  • Motor constant Bl/√RE 7.75N/√W
  • Air gap height HAG 8.2mm
  • Diameter 64mm
  • Height 8mm
  • Material Neodymium

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 531cm²
  • Moving mass MMS 60.6g
  • Moving mass (without air load) MMD 52.2g
  • Material Water resistant treated paper

Suspensions

  • Stiffness KMS 5.75N/mm
  • Compliance CMS 174µm/N
  • Equivalent volume to the compliance VAS 64.4L
  • Mechanical resistance RMS 4.35N·s/m
  • Surround material Polycotton

Dimensions

  • Nominal diameter 12″
  • 300mm
  • Volume occupied by the driver 1.6L
  • Net weight 2.1kg
  • Frame material Steel
SPL & Impedance
LaVoce WSN122.50-4 SPL & Impedance
LaVoce WSN122.50-4 Dimensions
PDF fileDatasheet

Export this driver to a simulation software:

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