LaVoce FSN041.00

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB
• Frequency response 110 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 114Hz
• Mechanical quality factor QMS 3.64
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion 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 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.06mH
• VC Diameter 25mm
• Winding height HVC 6.4mm
• Winding material Copper
• Former material Polyimide

Magnet

• Force factor Bl 6.87N/A
• Motor constant Bl/√RE 2.8N/√W
• Air gap height HAG 4mm
• Diameter 65mm
• Height 4mm
• Material Neodymium

Diaphragm

• Effective diameter 84mm
• Effective area SD 56cm²
• Moving mass MMS 4.71g
• Moving mass (without air load) MMD 4.4g
• Material Water Resistant Treated Paper

Suspensions

• Stiffness KMS 2.41N/mm
• Compliance CMS 415µm/N
• Equivalent volume to the compliance VAS 1.84L
• Mechanical resistance RMS 0.93N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 4″
• 100mm
• Volume occupied by the driver 0.09L
• Net weight 0.4kg
• Frame material Steel