LaVoce NBASS15-30

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.1dB
• Frequency response 40 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 5.00
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 6.6mm
• Maximum excursion before damage xlim 12.5mm
• Air volume displaced at xmax VD 564cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.06mH
• VC Diameter 75mm
• Winding height HVC 18.6mm
• Winding material Copper
• Former material Glass fiber

Magnet

• Force factor Bl 19N/A
• Motor constant Bl/√RE 8.33N/√W
• Air gap height HAG 10.5mm
• Diameter 74mm
• Height 9mm
• Material Neodymium

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 107g
• Moving mass (without air load) MMD 89.9g
• Material Water Proof Treated Paper

Suspensions

• Stiffness KMS 7.14N/mm
• Compliance CMS 140µm/N
• Equivalent volume to the compliance VAS 140L
• Mechanical resistance RMS 5.65N·s/m
• Surround material Polycotton

Dimensions

• Nominal diameter 15″
• 380mm
• Volume occupied by the driver 3.2L
• Net weight 3.5kg
• Frame material Steel