P.Audio 15FT-100MB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.6dB
• Frequency response 60 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 65Hz
• Mechanical quality factor QMS 12.06
• Electrical quality factor QES 0.91
• Total quality factor QTS 0.84

Large signal parameters

• Maximum linear excursion xmax 5.3mm
• Air volume displaced at xmax VD 449cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.79mH
• VC Diameter 99.3mm
• Winding height HVC 20mm
• Winding material Flat aluminium wire
• Former material Kapton

Magnet

• Flux density B 1.2T
• Force factor Bl 16.6N/A
• Motor constant Bl/√RE 6.67N/√W
• Air gap height HAG 9.5mm
• Material Ferrite

Diaphragm

• Effective diameter 332mm
• Effective area SD 855cm²
• Moving mass MMS 98g
• Moving mass (without air load) MMD 80.6g
• Material Paper

Suspensions

• Stiffness KMS 15.9N/mm
• Compliance CMS 63µm/N
• Equivalent volume to the compliance VAS 65.8L
• Mechanical resistance RMS 3.32N·s/m
• Surround material Cloth
• Spider material Cotton (Double silicone)

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 386mm
• Baffle cutout diameter 355mm
• Overall depth 180mm
• Flange thickness 15mm
• Mounting depth 165mm
• Volume occupied by the driver (estimated) 5.1L
• Net weight 10.7kg
• Frame material Aluminium