LaVoce MSF051.22

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
• Frequency response 140 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 141Hz
• Mechanical quality factor QMS 4.67
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.56

Large signal parameters

• Maximum linear excursion xmax 3.1mm
• Maximum excursion before damage xlim 4.9mm
• Air volume displaced at xmax VD 24cm³
• Power handling P 70W
• Program power Pmax 140W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.7Ω
• Inductance (1kHz) LE 0.23mH
• VC Diameter 32mm
• Winding height HVC 8.7mm
• Winding material Copper Clad Aluminium
• Former material Polyimide

Magnet

• Force factor Bl 7.36N/A
• Motor constant Bl/√RE 3.08N/√W
• Air gap height HAG 5mm
• Diameter 100mm
• Height 15mm
• Material Ferrite

Diaphragm

• Effective diameter 100mm
• Effective area SD 78.5cm²
• Moving mass MMS 6.93g
• Moving mass (without air load) MMD 6.4g
• Material Water Proof Treated Paper

Suspensions

• Stiffness KMS 5.44N/mm
• Compliance CMS 184µm/N
• Equivalent volume to the compliance VAS 1.6L
• Mechanical resistance RMS 1.31N·s/m
• Surround material Polycotton

Dimensions

• Nominal diameter 5″
• 130mm
• Volume occupied by the driver 0.4L
• Net weight 1.2kg
• Frame material Steel