Fane COLOSSUS 18XBN

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
• Frequency response 35 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 5.77
• Electrical quality factor QES 0.36
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Air volume displaced at xmax VD 848cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 1.99mH
• VC Diameter 101.6mm
• Winding height HVC 23mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.2T
• Force factor Bl 25.9N/A
• Motor constant Bl/√RE 10.4N/√W
• Air gap height HAG 10mm
• Material Neodymium

Diaphragm

• Effective diameter 382mm
• Effective area SD 1131cm²
• Moving mass MMS 173g
• Moving mass (without air load) MMD 145g
• Material Polycellulose

Suspensions

• Stiffness KMS 7.69N/mm
• Compliance CMS 130µm/N
• Equivalent volume to the compliance VAS 236L
• Mechanical resistance RMS 6.22N·s/m
• Surround material Polyvinyl damped Poly Cotton

Dimensions

• Nominal diameter 18″
• 457mm
• Overall diameter 485mm
• Baffle cutout diameter 415mm
• Overall depth 197mm
• Flange thickness 12mm
• Mounting depth 185mm
• Volume occupied by the driver (estimated) 5.2L
• Net weight 7.95kg
• Frame material Die-cast Aluminium