LaVoce FSN041.00-4

4Ω
8Ω16Ω

Full-range

Nominal diameter4″ / 100 mm
Resonance112 Hz
Q factor0.34
Sensitivity90.9 dB
Linear excursion± 2.2 mm
Program Power80 W
LaVoce FSN041.00-4 Full-range
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 90.9dB
  • Frequency response 110 - 18000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 112Hz
  • Mechanical quality factor QMS 4.33
  • Electrical quality factor QES 0.37
  • Total quality factor QTS 0.34

Large signal parameters

  • Maximum linear excursion (one way) xmax 2.2mm
  • Maximum excursion before damage xlim 3.2mm
  • Air volume displaced at xmax VD 12cm³
  • Power handling P 40W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.3Ω
  • Inductance (1kHz) LE 0.02mH
  • VC Diameter 25mm
  • Winding height HVC 6.3mm
  • Winding material Copper
  • Former material Polyimide

Magnet

  • Force factor Bl 5.5N/A
  • Motor constant Bl/√RE 3.03N/√W
  • Air gap height HAG 4mm
  • Diameter 65mm
  • Height 4mm
  • Material Neodymium

Diaphragm

  • Effective diameter 84mm
  • Effective area SD 56cm²
  • Moving mass MMS 4.82g
  • Moving mass (without air load) MMD 4.5g
  • Material Water resistant treated paper

Suspensions

  • Stiffness KMS 2.39N/mm
  • Compliance CMS 419µm/N
  • Equivalent volume to the compliance VAS 1.86L
  • Mechanical resistance RMS 0.78N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 4″
  • 100mm
  • Volume occupied by the driver 0.09L
  • Net weight 0.4kg
  • Frame material Steel
SPL & Impedance
LaVoce FSN041.00-4 SPL & Impedance
LaVoce FSN041.00-4 Dimensions
PDF fileDatasheet

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