P.Audio 19FT-125XB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95dB
• Frequency response 40 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 9.29
• Electrical quality factor QES 0.53
• Total quality factor QTS 0.50

Large signal parameters

• Maximum linear excursion xmax 10mm
• Air volume displaced at xmax VD 1555cm³
• Power handling P 1500W
• Program power Pmax 3000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.26mH
• VC Diameter 127mm
• Winding height HVC 34mm
• Winding material EISVW
• Former material Glass fiber

Magnet

• Flux density B 1.2T
• Force factor Bl 29.5N/A
• Motor constant Bl/√RE 13N/√W
• Air gap height HAG 14mm
• Material Ferrite

Diaphragm

• Effective diameter 445mm
• Effective area SD 1555cm²
• Moving mass MMS 320g
• Moving mass (without air load) MMD 278g
• Material Waterproof Paper

Suspensions

• Stiffness KMS 24.4N/mm
• Compliance CMS 41µm/N
• Equivalent volume to the compliance VAS 139L
• Mechanical resistance RMS 9.52N·s/m
• Surround material Cloth
• Spider material Cotton (Double Silicone)

Dimensions

• Nominal diameter 19″
• 483mm
• Overall diameter 512mm
• Baffle cutout diameter 472mm
• Overall depth 253mm
• Flange thickness 21mm
• Mounting depth 232mm
• Volume occupied by the driver (estimated) 13L
• Net weight 24.2kg
• Frame material Aluminium