P.Audio 19FT-115XB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
• Frequency response 40 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 9.46
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 9mm
• Air volume displaced at xmax VD 1400cm³
• Power handling P 1200W
• Program power Pmax 2400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 0.96mH
• VC Diameter 114.4mm
• Winding height HVC 32mm
• Winding material EISVW
• Former material Glass fiber

Magnet

• Flux density B 1.2T
• Force factor Bl 27.6N/A
• Motor constant Bl/√RE 12.2N/√W
• Air gap height HAG 14mm
• Material Ferrite

Diaphragm

• Effective diameter 445mm
• Effective area SD 1555cm²
• Moving mass MMS 291g
• Moving mass (without air load) MMD 249g
• Material Waterproof Paper

Suspensions

• Stiffness KMS 20.8N/mm
• Compliance CMS 48µm/N
• Equivalent volume to the compliance VAS 165L
• Mechanical resistance RMS 8.11N·s/m
• Surround material Cloth
• Spider material Cotton (Double silicone)

Dimensions

• Nominal diameter 19″
• 483mm
• Overall diameter 512mm
• Baffle cutout diameter 472mm
• Overall depth 222mm
• Flange thickness 21mm
• Mounting depth 201mm
• Volume occupied by the driver (estimated) 10L
• Net weight 18.8kg
• Frame material Aluminium