FaitalPRO 12PR300 4Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95dB
• Frequency response 50 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 19.40
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 4.9mm
• Maximum excursion before damage xlim 14mm
• 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 0.46mH
• VC Diameter 65mm
• Winding height HVC 12.5mm
• Winding material Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.25T
• Force factor Bl 11.8N/A
• Motor constant Bl/√RE 6.5N/√W
• Air gap height HAG 8mm
• Material Neodymium Slug

Diaphragm

• Effective diameter 261mm
• Effective area SD 533cm²
• Moving mass MMS 54.4g
• Moving mass (without air load) MMD 45.6g

Suspensions

• Stiffness KMS 5.26N/mm
• Compliance CMS 190µm/N
• Equivalent volume to the compliance VAS 73.9L
• Mechanical resistance RMS 0.9N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 315mm
• Baffle cutout diameter 283mm
• Overall depth 141mm
• Flange thickness 12mm
• Mounting depth 129mm
• Volume occupied by the driver 1.9L
• Net weight 2.5kg
• Frame material Aluminium