P.Audio GM12-100F

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.8dB
• Frequency response 50 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 56Hz
• Mechanical quality factor QMS 5.97
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 2.6mm
• Air volume displaced at xmax VD 135cm³
• Power handling P 800W
• Program power Pmax 1600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.55mH
• VC Diameter 101.6mm
• Winding height HVC 15.1mm
• Winding material CCA-W
• Former material Glass fiber

Magnet

• Flux density B 1T
• Force factor Bl 19N/A
• Motor constant Bl/√RE 8.17N/√W
• Air gap height HAG 10mm
• Material Ferrite

Diaphragm

• Effective diameter 261mm
• Effective area SD 531cm²
• Moving mass MMS 72.2g
• Moving mass (without air load) MMD 63.4g
• Material Waterproof Paper

Suspensions

• Stiffness KMS 8.93N/mm
• Compliance CMS 112µm/N
• Equivalent volume to the compliance VAS 44.7L
• Mechanical resistance RMS 4.25N·s/m
• Surround material Cloth
• Spider material Cotton (Silicone Impregnated)

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 313mm
• Baffle cutout diameter 283mm
• Overall depth 144mm
• Flange thickness 13mm
• Mounting depth 131mm
• Volume occupied by the driver (estimated) 4L
• Net weight 11.1kg
• Frame material Aluminium