Fane SOVEREIGN PRO 12-300

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
• Frequency response 45 - 4500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 5.20
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 4.5mm
• Air volume displaced at xmax VD 243cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 1.64mH
• VC Diameter 63.5mm
• Winding height HVC 18mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.1T
• Force factor Bl 14.8N/A
• Motor constant Bl/√RE 6.17N/√W
• Air gap height HAG 10mm
• Weight 1.588kg
• Material Ferrite

Diaphragm

• Effective diameter 262mm
• Effective area SD 540cm²
• Moving mass MMS 43g
• Moving mass (without air load) MMD 33.7g
• Material Paper

Suspensions

• Stiffness KMS 3.6N/mm
• Compliance CMS 278µm/N
• Equivalent volume to the compliance VAS 114L
• Mechanical resistance RMS 2.39N·s/m
• Surround material Polyvinyl damped Poly Cotton

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 330mm
• Baffle cutout diameter 257mm
• Overall depth 136mm
• Flange thickness 8mm
• Mounting depth 128mm
• Volume occupied by the driver (estimated) 2.4L
• Net weight 5.2kg
• Frame material Die-cast Aluminium