Fane COLOSSUS 15SB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.4dB
• Frequency response 40 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 41Hz
• Mechanical quality factor QMS 6.85
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.29

Large signal parameters

• Maximum linear excursion xmax 6.5mm
• Air volume displaced at xmax VD 563cm³
• Power handling P 800W
• Program power Pmax 1600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 2.15mH
• VC Diameter 101.6mm
• Winding height HVC 19.1mm
• Winding material Copper Clad Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.1T
• Force factor Bl 22.5N/A
• Motor constant Bl/√RE 9.68N/√W
• Air gap height HAG 11mm
• Weight 3.402kg
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 866cm²
• Moving mass MMS 106g
• Moving mass (without air load) MMD 87.6g
• Material Polycellulose

Suspensions

• Stiffness KMS 7.04N/mm
• Compliance CMS 142µm/N
• Equivalent volume to the compliance VAS 151L
• Mechanical resistance RMS 3.99N·s/m
• Surround material Polyvinyl damped Linen

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 406mm
• Baffle cutout diameter 356mm
• Overall depth 165mm
• Flange thickness 8mm
• Mounting depth 157mm
• Volume occupied by the driver (estimated) 4.9L
• Net weight 10.2kg
• Frame material Die-cast Aluminium