COLOSSUS 12B

Bass Driver

£POA

RRP Inc. VAT

AVAILABILITY : OUT OF STOCK

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

Description	Size	Format	Get File
Fane Colossus 12B Datasheet	1.57Mb	.pdf	DOWNLOAD