Fane COLOSSUS 18SB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.3dB
• Frequency response 35 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 36Hz
• Mechanical quality factor QMS 6.58
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 8.3mm
• Air volume displaced at xmax VD 936cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 2.23mH
• VC Diameter 101.6mm
• Winding height HVC 22mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.1T
• Force factor Bl 24N/A
• Motor constant Bl/√RE 10.5N/√W
• Air gap height HAG 11mm
• Weight 3.402kg
• Material Ferrite

Diaphragm

• Effective diameter 377mm
• Effective area SD 1134cm²
• Moving mass MMS 177g
• Moving mass (without air load) MMD 149g
• Material Polycellulose

Suspensions

• Stiffness KMS 9.17N/mm
• Compliance CMS 109µm/N
• Equivalent volume to the compliance VAS 199L
• Mechanical resistance RMS 6.09N·s/m
• Surround material Polyvinyl damped Poly Cotton

Dimensions

• Nominal diameter 18″
• 457mm
• Overall diameter 485mm
• Baffle cutout diameter 415mm
• Overall depth 201mm
• Flange thickness 12mm
• Mounting depth 189mm
• Volume occupied by the driver (estimated) 7L
• Net weight 12.51kg
• Frame material Die-cast Aluminium