LaVoce SSF082.00L-4

Subwoofer

Nominal diameter8″ / 200 mm
Resonance49 Hz
Q factor0.41
Sensitivity86.4 dB
Linear excursion± 10.3 mm
Program Power700 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 86.4dB
  • Frequency response 50 - 500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 49Hz
  • Mechanical quality factor QMS 7.54
  • Electrical quality factor QES 0.44
  • Total quality factor QTS 0.41

Large signal parameters

  • Maximum linear excursion (one way) xmax 10.3mm
  • Maximum excursion before damage xlim 15.8mm
  • Air volume displaced at xmax VD 227cm³
  • Power handling P 350W
  • Program power Pmax 700W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.2Ω
  • Inductance (1kHz) LE 1.85mH
  • VC Diameter 51mm
  • Winding height HVC 25.5mm
  • Winding material Copper Clad Aluminium
  • Former material Glass fiber

Magnet

  • Force factor Bl 12.8N/A
  • Motor constant Bl/√RE 7.15N/√W
  • Air gap height HAG 10mm
  • Diameter 140mm
  • Height 20mm
  • Material Ferrite

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 220cm²
  • Moving mass MMS 72.5g
  • Moving mass (without air load) MMD 70.2g
  • Material Water resistant treated paper

Suspensions

  • Stiffness KMS 6.9N/mm
  • Compliance CMS 145µm/N
  • Equivalent volume to the compliance VAS 9.93L
  • Mechanical resistance RMS 2.96N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 8
  • 200mm
  • Volume occupied by the driver 1L
  • Net weight 4.1kg
  • Frame material Steel
LaVoce SSF082.00L-4 SPL & Impedance
LaVoce SSF082.00L-4 Dimensions

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