LaVoce NBASS08-20

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
• Frequency response 55 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 55Hz
• Mechanical quality factor QMS 9.92
• Electrical quality factor QES 0.50
• Total quality factor QTS 0.48

Large signal parameters

• Maximum linear excursion xmax 6.5mm
• Maximum excursion before damage xlim 10.7mm
• Air volume displaced at xmax VD 153cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.11mH
• VC Diameter 51mm
• Winding height HVC 17.2mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Force factor Bl 11.3N/A
• Motor constant Bl/√RE 4.97N/√W
• Air gap height HAG 8.2mm
• Diameter 51mm
• Height 9mm
• Material Neodymium

Diaphragm

• Effective diameter 173mm
• Effective area SD 235cm²
• Moving mass MMS 35.6g
• Moving mass (without air load) MMD 33.1g
• Material Water Resistant Treated Paper

Suspensions

• Stiffness KMS 4.26N/mm
• Compliance CMS 235µm/N
• Equivalent volume to the compliance VAS 18.4L
• Mechanical resistance RMS 1.24N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 8″
• 200mm
• Volume occupied by the driver 0.5L
• Net weight 1.2kg
• Frame material Steel