Fane SOVEREIGN 12-250TC

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.8dB
• Frequency response 45 - 17000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 7.60
• Electrical quality factor QES 0.72
• Total quality factor QTS 0.64

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 186cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.2Ω
• Inductance (1kHz) LE 1.56mH
• VC Diameter 50.8mm
• Winding height HVC 10.9mm
• Winding material Copper Clad Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.1T
• Force factor Bl 13N/A
• Motor constant Bl/√RE 4.84N/√W
• Air gap height HAG 7.9mm
• Weight 1.588kg
• Material Ferrite

Diaphragm

• Effective diameter 262mm
• Effective area SD 531cm²
• Moving mass MMS 52g
• Moving mass (without air load) MMD 43.5g
• Material Paper

Suspensions

• Stiffness KMS 5.13N/mm
• Compliance CMS 195µm/N
• Equivalent volume to the compliance VAS 78.1L
• Mechanical resistance RMS 2.15N·s/m
• Surround material Polyvinyl damped Linen

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 305mm
• Baffle cutout diameter 286mm
• Overall depth 138mm
• Flange thickness 7mm
• Mounting depth 131mm
• Volume occupied by the driver (estimated) 2.1L
• Net weight 4.3kg
• Frame material Pressed Steel