Fane Colossus 15-750BMN Fane Colossus 15-750BMN
TFane Colossus 15-750BMN TFane Colossus 15-750BMN


Bass, Bass / Mid Driver

Data Sheet
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  • 1500 W Program Power.
  • 100 dB Sensitivity (1W/1m).
  • Lightweight neodymium magnet assembly. Weighs only 6.8 Kg.
  • FEA optimised magnet assembly with high force factor and excursion capability.
  • Vented chassis and motor design provides efficient thermal management and low power compression.
  • Fibre loaded, UK manufactured cone offers increased strength, durability and performance required for tight, accurate bass.
  • Intended for use as a high-output bass, or bass-mid driver, in ported multi-way systems of 70-125 Litres.
  • 4-inch Inside/outside windings copper voice coil.

The Colossus 15-750BMN is intended for use in high-power two-way ported enclosures and as a high-output bass, bass/mid driver in multi way systems. It features a 4 inch voice coil immersed in a symmetric magnetic field yielding increased linearity and lower distortion at high excursion levels. The cone membrane, manufactured from polycellulose, is much stronger and more durable than conventional paper pulp alternatives. This allows the driver to combine high-sensitivity with the structural integrity required to produce undistorted low frequencies at high output levels. The driver handles 750 Watts (A.E.S) continuous and can cope with peaks in excess of 300 Watts. This is due to advanced thermal management in the form of vented die-cast chassis and motor system. The Colossus 15-750BMN exhibits an average sensitivity of 100 dB and can deliver bass down to 40 Hz (-6 dB) in a 125 Litre ported enclosure.


  • Please enquire about alternative impedances.
  • A.E.S. power handling test. Pink noise bandpass filtered at 12 dB per octave with cutoff frequencies of 40 Hz and 400 Hz. Driver mounted in free air, test signal applied at rated power for two hours.
  • Please note that the frequency response measurements are supplied for comparison only and are not a measure of the low frequency performance which may be achieved in a fully optimised system.
Electro Acoustic Specifications
Nominal Chassis Diameter 15" / 381 mm
Impedance 8 Ω
Power Handling 750 W (A.E.S.)
Peak Power (6dB Crest Factor) 3000 W (A.E.S.)
Usable Frequency Range (-6dB) 40 Hz - 3 kHz
Sensitivity (1W - 1m) Wideband 100 dB
Moving Mass (inc. Air Load) 109 grams
Minimum Impedance (Zmin) 7.5 Ω
Effective Piston Diameter 13.03" / 331 mm
Magnet Weight N/a
Magnetic Gap Depth 0.43" / 11 mm
Flux Density 1.1 Tesla
Coil Winding Height 0.75" / 22 mm
Voice Coil Diameter 4.0" / 101.6 mm
Speaker Type Bass, Bass / Mid Driver
Speaker Series The Neodymium Series
Program Power 1500 W (A.E.S.)
Sensitivity (1W / 1m) Working band
Thiele Small Parameters (TSPs)
FS 45 Hz
Re 5.5 Ω
QMS 3.97
QES 0.29
QTS 0.27
Vas 127 Litres
Vd 0.65 Litres
CMS 0.119 mm/N
BL 24.5 T/m
MMS 109 grams
Xmax 7.5 mm
Sd 866 cm2
Efficiency 3.80%
Le 1.69 mH
EBP 155.17 Hz
Materials of Construction
Coil Former Material Glass Fibre
Voice Coil Material Copper - Inside/ Outside
Magnet Material Neodymium
Chassis Material Die-cast Aluminium
Cone Material Curvilinear Poly-cellulose
Surround / Edge Termination Polyvinyl Damped Dbl. Half Roll Poly Cotton
Dust Dome Material Solid Paper
Connectors Push-button Spring Terminals
Polarity Positive voltage at red terminal causes forward motion of cone
Mounting / Shipping Information
Overall Diameter 16" / 406.4 mm
Width Across Flats 15.25" / 387.35 mm
Flange Height 0.305" / 7.8 mm
Baffle Hole Diameter F/M 13.85" / 351.79 mm
Baffle Hole Diameter R/M 14" / 355.6 mm
Gasket Supplied Front & Rear
Outer Fixing Holes 4x ø 0.281" on 15.5" PCD / 4x ø 7.1 mm on 393.7 mm PCD
Inner Fixing Holes 8x ø 0.281" on 14.56" PCD / 8x ø 7.1 mm on 370 mm PCD
Depth 6.85" / 174 mm
Weight 14.99 lb / 6.80 Kg
Recommended Enclosure Volume 2.47 - 4.41 cu ft / 70 - 125 Litres
Shipping Weight 17.41 lb / 7.90 Kg
Packing Carton Dimensions (W) 410 (D) 410 (H) 210 mm
DescriptionSizeFormatGet File
Fane Colossus 15750BMN Datasheet0.16Mb.pdfDOWNLOAD
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