Fane Colossus 12B Fane Colossus 12B
TFane Colossus 12B TFane Colossus 12B


Bass Driver

Data Sheet
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  • Exceptional efficiency, power handling and frequency coverage from compact design.
  • Works well in reflex enclosures producing soft, warm bass.
  • Rugged die cast chassis.
  • UK manufactured cone offers increased strength, durability and performance.
  • Extended usable frequency.
  • 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 450 W (A.E.S.)
Peak Power (6dB Crest Factor) 1800 W (A.E.S.)
Usable Frequency Range (-6dB) 45 Hz - 1 kHz
Sensitivity (1W - 1m) Wideband 97 dB
Moving Mass (inc. Air Load) 64.8 grams
Minimum Impedance (Zmin) 6.24 Ω
Effective Piston Diameter 10.24" / 260 mm
Magnet Weight 81.13 oz
Magnetic Gap Depth 0.32" / 8 mm
Flux Density 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 900 W (A.E.S.)
Sensitivity (1W / 1m) Working band
Thiele Small Parameters (TSPs)
FS 47 Hz
Re 5.2 Ω
QMS 6.321
QES 0.375
QTS 0.354
Vas 71 Litres
Vd 0.56 Litres
CMS 0.177 mm/N
BL 16.5 T/m
MMS 64.8 grams
Xmax 10.5 mm
Sd 531.6 cm2
Efficiency 1.90
Le 2.36 mH
EBP 125.33 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 13" / 330.2 mm
Width Across Flats 12.19" / 309.62 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 5.72" / 145.3 mm
Weight 14.5 lb / 6.58 Kg
Recommended Enclosure Volume 25-60
Shipping Weight 16 lb / 7.26 Kg
Packing Carton Dimensions (W) 330 (D) 330 (H) 170 mm
DescriptionSizeFormatGet File
Fane Colossus 12B Datasheet1.57Mb.pdfDOWNLOAD
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