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COLOSSUS 12BMN

Bass / Mid Range Driver

Data Sheet
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AVAILABILITY : OUT OF STOCK
  • DISCONTINUED. Available for SPECIAL ORDER / OEM only.
  • Lightweight neodymium magnet assembly.
  • Weighs only 4.2 kg.
  • Fast dynamic response combined with superior suspension material.
  • Suited for line array applications.
  • Non inductive motor system reduces distortion.
  • High BL, 20 T/m.
  • UK manufactured cone with optimised pulp offering increased strength, durability and performance.

The Colossus 12BMN is intended for use as a very high-output mid bass driver in two-way ported enclosures and also as a bass driver in multi way systems. The unit features a 3 inch voice coil driven by a non-inductive motor system which dramatically reduces third-harmonic and intermodulation distortion. The cone membrane, manufactured from bespoke paper pulp allows the driver to combine high-sensitivity with the structural integrity required to produce undistorted low frequencies at high output levels. The mechanical and electrical properties of the unit have been carefully optimised to allow extended low frequency output up to its rated power handling of 450 Watts (A.E.S) continuous, with peak power handling in excess of 1800 Watts. The driver exhibits an average sensitivity of 99 dB and is best used in ported enclosures of 25 to 80 Litres.

 

  • 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) 40 Hz - 3.5 kHz
Sensitivity (1W - 1m) Wideband 99 dB
Moving Mass (inc. Air Load) 65 grams
Minimum Impedance (Zmin) 7.5 Ω
Effective Piston Diameter 10.24" / 260.09 mm
Magnet Weight N/a
Magnetic Gap Depth 0.31" / 8 mm
Flux Density 1.16 Tesla
Coil Winding Height 0.78" / 20 mm
Voice Coil Diameter 3.0" / 76.2 mm
Speaker Type Bass / Mid Range Driver
Thiele Small Parameters (TSPs)
FS 43 Hz
Re 5.4 Ω
QMS 5.3
QES 0.24
QTS 0.23
Vas 89 Litres
Vd 0.33 Litres
CMS 0.208 mm/N
BL 20 T/m
MMS 65 grams
Xmax 6 mm
Sd 550 cm2
Efficiency 3.10%
Le 2.1 mH
EBP 179.17 Hz
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 5.53" / 140.6 mm
Weight 9.25 lb / 4.2 Kg
Recommended Enclosure Volume 0.88 - 2.83 cu ft / 25 - 80 Litres
Shipping Weight 11.02 lb / 5 Kg
Packing Carton Dimensions (W) 330 (D) 330 (H) 170 mm
DescriptionSizeFormatGet File
Fane Colossus 12BMN Datasheet0.26Mb.pdfDOWNLOAD
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