LaVoce FBASS12-20

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.8dB
• Frequency response 50 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 53Hz
• Mechanical quality factor QMS 4.71
• Electrical quality factor QES 0.51
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 4.3mm
• Maximum excursion before damage xlim 8.4mm
• Air volume displaced at xmax VD 234cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 51mm
• Winding height HVC 12.6mm
• Winding material Copper
• Former material Glass fiber

Magnet

• Force factor Bl 13.3N/A
• Motor constant Bl/√RE 5.76N/√W
• Air gap height HAG 8.2mm
• Diameter 145mm
• Height 17mm
• Material Ferrite

Diaphragm

• Effective diameter 263mm
• Effective area SD 543cm²
• Moving mass MMS 50.7g
• Moving mass (without air load) MMD 42.2g
• Material Water Resistant Treated Paper

Suspensions

• Stiffness KMS 5.53N/mm
• Compliance CMS 181µm/N
• Equivalent volume to the compliance VAS 75.4L
• Mechanical resistance RMS 3.59N·s/m
• Surround material Polycotton

Dimensions

• Nominal diameter 12″
• 300mm
• Volume occupied by the driver 1.9L
• Net weight 3.6kg
• Frame material Steel