Fane Colossus 12XB Fane Colossus 12XB
TFane Colossus 12XB TFane Colossus 12XB


Bass Driver

Data Sheet
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  • Suitable for horn loaded / bandpass applications producing hard hitting, punchy bass.
  • Exceptional efficiency, power handling and frequency coverage from compact design.
  • Rugged die cast chassis.
  • UK manufactured cone offers increased strength, durability and performance.
  • Extended usable frequency.

The Colossus 12XB is intended for use in compact bass cabinet or horn loaded applications. The driver can also be used in two-way ported enclosures combined with Fane compression driver and horn offering excellent coverage with clear detailed reproduction. The unit features die cast chassis with long throw motor system and high linearity suspension allowing fast solid bass reproduction at high-power levels.


  • Please enquire about alternative impedances.
  • A.E.S. power handling test. Pink noise bandpass filtered at 12 dB per octave with cutoff frequencies of 50 Hz and 500 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 12" / 304.8 mm
Impedance 4 /8 /16 Ω
Power Handling 500 W (A.E.S.)
Peak Power (6dB Crest Factor) 2000 W (A.E.S.)
Usable Frequency Range (-6dB) 45 Hz - 1 kHz
Sensitivity (1W - 1m) Wideband 97 dB
Moving Mass (inc. Air Load) 70.8 grams
Minimum Impedance (Zmin) 6.24 Ω
Effective Piston Diameter 10.24" / 260 mm
Magnet Weight 105.82 oz
Magnetic Gap Depth 0.32" / 8 mm
Flux Density 1.1 Tesla
Coil Winding Height 0.98" / 25 mm
Voice Coil Diameter 3.0" / 76.2 mm
Speaker Type Bass Driver
Speaker Series The Professional Series
Program Power 1000 W (A.E.S.)
Sensitivity (1W / 1m) Working band
Thiele Small Parameters (TSPs)
FS 43 Hz
Re 5.2 Ω
QMS 5.81
QES 0.254
QTS 0.244
Vas 78 Litres
Vd 0.56 Litres
CMS 0.196 mm/N
BL 20 T/m
MMS 70.8 grams
Xmax 10.5 mm
Sd 531.6 cm2
Efficiency 2.316%
Le 2.49 mH
EBP 169.29 Hz
Materials of Construction
Coil Former Material Glass Fibre
Voice Coil Material Copper
Magnet Material Ferrite
Chassis Material Die-cast Aluminium
Cone Material Paper
Surround / Edge Termination Polyvinyl Damped Multi Roll. Poly Cotton
Dust Dome Material Paper
Connectors Push-button Spring Terminals
Polarity Positive voltage at red terminal causes forward motion of cone
Mounting / Shipping Information
Overall Diameter 8.9" / 226 mm
Width Across Flats 8.25" / 209.5 mm
Flange Height 0.305" / 7.8 mm
Baffle Hole Diameter F/M 11.03" / 280.16 mm
Baffle Hole Diameter R/M 10.13" / 257.30 mm
Gasket Supplied Front & Rear
Outer Fixing Holes 4x ø 0.218" on 12.5" PCD / 4x ø 5.5 mm on 317.5 mm PCD
Inner Fixing Holes Not Applicable
Depth 5.71" / 145 mm
Weight 17 lb / 7.71 Kg
Recommended Enclosure Volume 25 - 65 Litres
Shipping Weight 19 lb / 8.62 Kg
Packing Carton Dimensions (W) 330 (D) 330 (H) 170 mm
DescriptionSizeFormatGet File
Fane Colossus 12XB Datasheet0.30Mb.pdfDOWNLOAD
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