LaVoce FSN021.02

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.8dB
• Frequency response 140 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 151Hz
• Mechanical quality factor QMS 5.50
• Electrical quality factor QES 0.77
• Total quality factor QTS 0.68

Large signal parameters

• Maximum linear excursion xmax 2.3mm
• Maximum excursion before damage xlim 3.3mm
• Air volume displaced at xmax VD 4.1cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.7Ω
• Inductance (1kHz) LE 0.1mH
• VC Diameter 25mm
• Winding height HVC 6.6mm
• Winding material Copper Clad Aluminium
• Former material Polyimide

Magnet

• Force factor Bl 3.44N/A
• Motor constant Bl/√RE 1.44N/√W
• Air gap height HAG 4mm
• Diameter 25mm
• Height 5mm
• Material Neodymium

Diaphragm

• Effective diameter 48mm
• Effective area SD 18cm²
• Moving mass MMS 1.7g
• Moving mass (without air load) MMD 1.7g
• Material Aluminium

Suspensions

• Stiffness KMS 1.54N/mm
• Compliance CMS 650µm/N
• Equivalent volume to the compliance VAS 0.3L
• Mechanical resistance RMS 0.29N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 2″
• 50mm
• Volume occupied by the driver 0.03L
• Net weight 0.15kg
• Frame material Steel