FaitalPRO 12PR310 4Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 13.60
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 4.9mm
• Maximum excursion before damage xlim 15.2mm
• Air volume displaced at xmax VD 262cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 0.44mH
• VC Diameter 65mm
• Winding height HVC 12.5mm
• Winding material Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.2T
• Force factor Bl 11.2N/A
• Motor constant Bl/√RE 6.17N/√W
• Air gap height HAG 8mm
• Material Ferrite Ring

Diaphragm

• Effective diameter 261mm
• Effective area SD 533cm²
• Moving mass MMS 52g
• Moving mass (without air load) MMD 43.2g

Suspensions

• Stiffness KMS 5.26N/mm
• Compliance CMS 190µm/N
• Equivalent volume to the compliance VAS 77.3L
• Mechanical resistance RMS 1.2N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 316mm
• Baffle cutout diameter 282mm
• Overall depth 135mm
• Flange thickness 12mm
• Mounting depth 123mm
• Volume occupied by the driver 1.9L
• Net weight 4.3kg
• Frame material Aluminium