LaVoce SSF102.40

Subwoofer

Nominal diameter10″ / 250 mm
Resonance39 Hz
Q factor0.57
Sensitivity87.7 dB
Linear excursion± 8.3 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 87.7dB
  • Frequency response 40 - 500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 39Hz
  • Mechanical quality factor QMS 8.96
  • Electrical quality factor QES 0.61
  • Total quality factor QTS 0.57

Large signal parameters

  • Maximum linear excursion xmax 8.3mm
  • Maximum excursion before damage xlim 12.3mm
  • Air volume displaced at xmax VD 291cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.7Ω
  • Inductance (1kHz) LE 2.42mH
  • VC Diameter 61mm
  • Winding height HVC 20.5mm
  • Winding material Copper Clad Aluminium
  • Former material Glass Fiber

Magnet

  • Force factor Bl 14N/A
  • Motor constant Bl/√RE 5.41N/√W
  • Air gap height HAG 8mm
  • Diameter 140mm
  • Height 20mm
  • Material Ferrite

Diaphragm

  • Effective diameter 211mm
  • Effective area SD 350cm²
  • Moving mass MMS 73.4g
  • Moving mass (without air load) MMD 68.8g
  • Material Water Resistant Treated Paper

Suspensions

  • Stiffness KMS 4.39N/mm
  • Compliance CMS 228µm/N
  • Equivalent volume to the compliance VAS 39.5L
  • Mechanical resistance RMS 2.01N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 10
  • 250mm
  • Volume occupied by the driver 1.5L
  • Net weight 3.5kg
  • Frame material Steel
LaVoce SSF102.40 SPL & Impedance
LaVoce SSF102.40 Dimensions

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