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Fane Colossus 18XB high-output sub-bass driver

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Fane Colossus 18XB high-output sub-bass driver

Description:
The Colossus 18XB is intended for use as a high-output sub-bass driver either singly or in multiway systems. The unit features a 4-inch voice coil immersed in a symmetric magnetic field and centralized by using two suspensions in a dual arrangement to maintain ultra linearity and stability at high excursions. The heavily ribbed straight-sided paper cone membrane is reinforced with highstrength composite fibres to resist deformation under extreme loads. The driver handles 1000Watts (AES) continuous and can cope with peaks in excess of 4000 Watts. This is due to advanced thermal management in the form of a vented die-cast chassis and motor system using an internal heatsink coupled to a large-vaned heatsink mounted on the rear of the unit. These measures effectively remove heat from the voice coil resulting in extremely low-power compression. The Colossus 18XB is designed for use in 100 to 250 litre ported enclosures.

Note, June 2011: FANE have recently retested this driver and increased the published power handling from 800W AES to 1000W AES. There are no other specification changes to this product, and it is physically, mechanically and electrically identical to the unit when it was being specified as 800W. If you have a Colossus 18XB purchases in the last few years, that is shown as being rated at 800W, it will actually handle 1000W without problem.

Mounting information for Fane Colossus 18XB:

Overall diameter 19.1 inch/485 mm
Width across flats 18 inch/457mm
Flange thickness .465 inch/11.8 mm
Baffle hole diameter, front mount 16.53 inch/420 mm
Baffle hole diameter, rear mount 16.33 inch/ 414 mm
Gasket Supplied Front & Rear
Fixing holes 8 x 7 dia on 468 PCD
8 x 7 dia on 438.15 PCD
Depth 8.5 inch/205 mm
Weight 31.24 lb/14.2 kg
Recommended enclosure volume 3.5-8.8 cu ft/100-250 litres
Volume displaced by driver 0.269 cu ft/7.6 litres
Shipping weight 35.64 lb/16.2 kg
Packing Carton dimensions (mm x mm x mm) 485 x 485 x 276 mm

Electro mechanical specifications

Nominal chassis diameter 18"
Impedance (ohms) 8
Power Handling (A.E.S) 1000W
Maximum output (dB) continuous/peak 122/128 dB
Power compression at rated power (dB) 3.3 dB
Usable Frequency range 27 Hz-1 kHz
Sensitivity 97.5 dB/W @ 1m
Resonance 30 Hz
MMS 161 grams
BL 24.6
Minimum impedance (Zmin) (ohms) 7.3
Effective piston diameter 377 mm
Flux Density 1.0 Tesla
Magnetic gap depth 10 mm
Coil winding height 22 mm
Voice coil length 35 M
Magnet weight 3.4 Kg
Maximum cone displacement 18mm
Vd 1.61 Litres
Voice coil diameter 4.0 inch/101.6 mm
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