LaVoce SSF153.00-4

Subwoofer

Nominal diameter15″ / 380 mm
Resonance42 Hz
Q factor0.33
Sensitivity95.5 dB
Linear excursion± 7 mm
Program Power800 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 95.5dB
  • Frequency response 45 - 2000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 42Hz
  • Mechanical quality factor QMS 4.66
  • Electrical quality factor QES 0.36
  • Total quality factor QTS 0.33

Large signal parameters

  • Maximum linear excursion (one way) xmax 7mm
  • Maximum excursion before damage xlim 12.8mm
  • Air volume displaced at xmax VD 599cm³
  • Power handling P 400W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.4Ω
  • Inductance (1kHz) LE 1.05mH
  • VC Diameter 75mm
  • Winding height HVC 19.2mm
  • Winding material Copper
  • Former material Glass fiber

Magnet

  • Force factor Bl 16.7N/A
  • Motor constant Bl/√RE 9.04N/√W
  • Air gap height HAG 10.5mm
  • Diameter 192mm
  • Height 20mm
  • Material Ferrite

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 855cm²
  • Moving mass MMS 111g
  • Moving mass (without air load) MMD 93.4g
  • Material Water resistant treated paper

Suspensions

  • Stiffness KMS 7.69N/mm
  • Compliance CMS 130µm/N
  • Equivalent volume to the compliance VAS 134L
  • Mechanical resistance RMS 6.26N·s/m
  • Surround material Polycotton

Dimensions

  • Nominal diameter 15
  • 380mm
  • Volume occupied by the driver 4.1L
  • Net weight 8.5kg
  • Frame material Steel
LaVoce SSF153.00-4 SPL & Impedance
LaVoce SSF153.00-4 Dimensions

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