LaVoce SAF184.03

Subwoofer

Nominal diameter18″ / 460 mm
Resonance30 Hz
Q factor0.33
Sensitivity93.7 dB
Linear excursion± 12.1 mm
Program Power3000 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 93.7dB
  • Frequency response 30 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 30Hz
  • Mechanical quality factor QMS 6.73
  • Electrical quality factor QES 0.35
  • Total quality factor QTS 0.33

Large signal parameters

  • Maximum linear excursion xmax 12.1mm
  • Maximum excursion before damage xlim 21.3mm
  • Air volume displaced at xmax VD 1476cm³
  • Power handling P 1500W
  • Program power Pmax 3000W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.7Ω
  • Inductance (1kHz) LE 1.97mH
  • VC Diameter 100mm
  • Winding height HVC 31.7mm
  • Winding material Copper
  • Former material Glass Fiber

Magnet

  • Force factor Bl 28.6N/A
  • Motor constant Bl/√RE 12N/√W
  • Air gap height HAG 15mm
  • Diameter 220mm
  • Height 30mm
  • Material Ferrite

Diaphragm

  • Effective diameter 394mm
  • Effective area SD 1220cm²
  • Moving mass MMS 266g
  • Moving mass (without air load) MMD 236g
  • Material Water Resistant Treated Paper + Water Proof Front Side Treatment

Suspensions

  • Stiffness KMS 9.43N/mm
  • Compliance CMS 106µm/N
  • Equivalent volume to the compliance VAS 223L
  • Mechanical resistance RMS 7.44N·s/m
  • Surround material Polycotton

Dimensions

  • Nominal diameter 18
  • 460mm
  • Volume occupied by the driver 8.5L
  • Net weight 16.4kg
  • Frame material Aluminium
LaVoce SAF184.03 SPL & Impedance
LaVoce SAF184.03 Dimensions

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