LaVoce FBASS15-20

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.1dB
• Frequency response 40 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 8.71
• Electrical quality factor QES 0.57
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 4.3mm
• Maximum excursion before damage xlim 8.4mm
• Air volume displaced at xmax VD 368cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.69mH
• VC Diameter 50mm
• Winding height HVC 12.6mm
• Winding material Copper
• Former material Glass fiber

Magnet

• Force factor Bl 12.8N/A
• Motor constant Bl/√RE 5.6N/√W
• Air gap height HAG 8.2mm
• Diameter 140mm
• Height 17mm
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 70.3g
• Moving mass (without air load) MMD 53.3g
• Material Water Resistant Treated Paper

Suspensions

• Stiffness KMS 4.35N/mm
• Compliance CMS 230µm/N
• Equivalent volume to the compliance VAS 234L
• Mechanical resistance RMS 2.03N·s/m
• Surround material Polycotton

Dimensions

• Nominal diameter 15″
• 380mm
• Volume occupied by the driver 3L
• Net weight 4.1kg
• Frame material Steel