FaitalPRO 15FH520 4Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
• Frequency response 40 - 3150Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 38Hz
• Mechanical quality factor QMS 9.00
• Electrical quality factor QES 0.35
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 9.2mm
• Maximum excursion before damage xlim 15.6mm
• Air volume displaced at xmax VD 775cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 2.7Ω
• Inductance (1kHz) LE 0.68mH
• VC Diameter 77mm
• Winding height HVC 22.3mm
• Winding material Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 14.3N/A
• Motor constant Bl/√RE 8.7N/√W
• Air gap height HAG 12mm
• Material Neodymium Slug

Diaphragm

• Effective diameter 328mm
• Effective area SD 847cm²
• Moving mass MMS 115g
• Moving mass (without air load) MMD 97.2g

Suspensions

• Stiffness KMS 6.67N/mm
• Compliance CMS 150µm/N
• Equivalent volume to the compliance VAS 153L
• Mechanical resistance RMS 3N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 393mm
• Baffle cutout diameter 356mm
• Overall depth 181mm
• Flange thickness 14mm
• Mounting depth 167mm
• Volume occupied by the driver 3.4L
• Net weight 4.6kg
• Frame material Aluminium