Fane COLOSSUS 12MB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.3dB
• Frequency response 40 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 55Hz
• Mechanical quality factor QMS 2.05
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.29

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 292cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 1.56mH
• VC Diameter 76.2mm
• Winding height HVC 18mm
• Winding material Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.16T
• Force factor Bl 18.3N/A
• Motor constant Bl/√RE 7.8N/√W
• Air gap height HAG 9mm
• Weight 2.637kg
• Material Ferrite

Diaphragm

• Effective diameter 260mm
• Effective area SD 530cm²
• Moving mass MMS 59g
• Moving mass (without air load) MMD 49.9g
• Material Polycellulose

Suspensions

• Stiffness KMS 7.04N/mm
• Compliance CMS 142µm/N
• Equivalent volume to the compliance VAS 56L
• Mechanical resistance RMS 9.95N·s/m
• Surround material Polyvinyl damped Poly Cotton

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 330mm
• Baffle cutout diameter 257mm
• Overall depth 131mm
• Flange thickness 8mm
• Mounting depth 123mm
• Volume occupied by the driver (estimated) 3.1L
• Net weight 7.8kg
• Frame material Die-cast Aluminium