FaitalPRO 12FH520 4Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 6.32
• Electrical quality factor QES 0.28
• Total quality factor QTS 0.27

Large signal parameters

• Maximum linear excursion xmax 7mm
• Maximum excursion before damage xlim 19.8mm
• Air volume displaced at xmax VD 378cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 0.71mH
• VC Diameter 77mm
• Winding height HVC 18mm
• Winding material Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 15.3N/A
• Motor constant Bl/√RE 8.42N/√W
• Air gap height HAG 12mm
• Material Neodymium Slug

Diaphragm

• Effective diameter 262mm
• Effective area SD 540cm²
• Moving mass MMS 63g
• Moving mass (without air load) MMD 54.1g

Suspensions

• Stiffness KMS 6.25N/mm
• Compliance CMS 160µm/N
• Equivalent volume to the compliance VAS 65.5L
• Mechanical resistance RMS 3.1N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 316mm
• Baffle cutout diameter 284mm
• Overall depth 156mm
• Flange thickness 13mm
• Mounting depth 143mm
• Volume occupied by the driver 2.4L
• Net weight 4.2kg
• Frame material Aluminium