P.Audio 15FT-100SW

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
• Frequency response 45 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 10.07
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Air volume displaced at xmax VD 641cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 1.25mH
• VC Diameter 99.3mm
• Winding height HVC 29mm
• Winding material Copper
• Former material Glass fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 23.5N/A
• Motor constant Bl/√RE 10.1N/√W
• Air gap height HAG 14mm
• Material Ferrite

Diaphragm

• Effective diameter 332mm
• Effective area SD 855cm²
• Moving mass MMS 161g
• Moving mass (without air load) MMD 144g
• Material Paper

Suspensions

• Stiffness KMS 11.5N/mm
• Compliance CMS 87µm/N
• Equivalent volume to the compliance VAS 90L
• Mechanical resistance RMS 4.22N·s/m
• Surround material Cloth
• Spider material Cotton (Double silicone)

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 386mm
• Baffle cutout diameter 355mm
• Overall depth 199mm
• Flange thickness 15mm
• Mounting depth 184mm
• Volume occupied by the driver (estimated) 6.5L
• Net weight 13.9kg
• Frame material Aluminium