Fane SOVEREIGN PRO 12-300S

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.3dB
• Frequency response 45 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 11.68
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 5.3mm
• Air volume displaced at xmax VD 277cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 1.56mH
• VC Diameter 63.5mm
• Winding height HVC 14.5mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 1.1T
• Force factor Bl 16N/A
• Motor constant Bl/√RE 6.83N/√W
• Air gap height HAG 7.9mm
• Weight 1.588kg
• Material Ferrite

Diaphragm

• Effective diameter 262mm
• Effective area SD 528cm²
• Moving mass MMS 60.7g
• Moving mass (without air load) MMD 51.7g
• Material Paper

Suspensions

• Stiffness KMS 3.91N/mm
• Compliance CMS 256µm/N
• Equivalent volume to the compliance VAS 101L
• Mechanical resistance RMS 1.31N·s/m
• Surround material Polyvinyl damped Linen

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 330mm
• Baffle cutout diameter 257mm
• Overall depth 135mm
• Flange thickness 8mm
• Mounting depth 127mm
• Volume occupied by the driver (estimated) 2.3L
• Net weight 4.65kg
• Frame material Die-cast Aluminium