Fane SOVEREIGN 18-500

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.2dB
• Frequency response 42 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 9.20
• Electrical quality factor QES 0.60
• Total quality factor QTS 0.56

Large signal parameters

• Maximum linear excursion xmax 6.3mm
• Air volume displaced at xmax VD 742cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 1.95mH
• VC Diameter 76.2mm
• Winding height HVC 20.8mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1T
• Force factor Bl 15.4N/A
• Motor constant Bl/√RE 6.7N/√W
• Air gap height HAG 9.9mm
• Weight 3.402kg
• Material Ferrite

Diaphragm

• Effective diameter 355mm
• Effective area SD 1178cm²
• Moving mass MMS 130g
• Moving mass (without air load) MMD 102g
• Material Paper

Suspensions

• Stiffness KMS 5.56N/mm
• Compliance CMS 180µm/N
• Equivalent volume to the compliance VAS 346L
• Mechanical resistance RMS 2.93N·s/m
• Surround material Polyvinyl damped Linen

Dimensions

• Nominal diameter 18″
• 457mm
• Overall diameter 457mm
• Baffle cutout diameter 424mm
• Overall depth 204mm
• Flange thickness 12mm
• Mounting depth 192mm
• Volume occupied by the driver (estimated) 5.2L
• Net weight 8.09kg
• Frame material Pressed Steel