Fane COLOSSUS 15-750BMN

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.9dB
• Frequency response 40 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 45Hz
• Mechanical quality factor QMS 3.97
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.27

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Air volume displaced at xmax VD 650cm³
• Power handling P 750W
• Program power Pmax 1500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 1.69mH
• VC Diameter 101.6mm
• Winding height HVC 22mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.1T
• Force factor Bl 24.5N/A
• Motor constant Bl/√RE 10.4N/√W
• Air gap height HAG 11mm
• Material Neodymium

Diaphragm

• Effective diameter 331mm
• Effective area SD 866cm²
• Moving mass MMS 109g
• Moving mass (without air load) MMD 90.6g
• Material Polycellulose

Suspensions

• Stiffness KMS 8.4N/mm
• Compliance CMS 119µm/N
• Equivalent volume to the compliance VAS 127L
• Mechanical resistance RMS 7.76N·s/m
• Surround material Polyvinyl damped Poly Cotton

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 406mm
• Baffle cutout diameter 356mm
• Overall depth 174mm
• Flange thickness 8mm
• Mounting depth 166mm
• Volume occupied by the driver (estimated) 3.9L
• Net weight 6.8kg
• Frame material Die-cast Aluminium