P.Audio GM15-88F

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
• Frequency response 45 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 8.07
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 342cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 0.52mH
• VC Diameter 88.9mm
• Winding height HVC 18mm
• Winding material AL-W
• Former material Glass fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 17.7N/A
• Motor constant Bl/√RE 7.53N/√W
• Air gap height HAG 10mm
• Material Ferrite

Diaphragm

• Effective diameter 332mm
• Effective area SD 855cm²
• Moving mass MMS 101g
• Moving mass (without air load) MMD 83.8g
• Material Waterproof Paper

Suspensions

• Stiffness KMS 8.62N/mm
• Compliance CMS 116µm/N
• Equivalent volume to the compliance VAS 120L
• Mechanical resistance RMS 3.62N·s/m
• Surround material Cloth
• Spider material Cotton (Silicone Impregnated)

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 386mm
• Baffle cutout diameter 355mm
• Overall depth 181mm
• Flange thickness 17mm
• Mounting depth 164mm
• Volume occupied by the driver (estimated) 5.5L
• Net weight 12.0kg
• Frame material Aluminium