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  • 2000 W Program Power.
  • 100 dB Sensitivity (1W/1m).
  • Chassis and motor system venting provides efficient thermal management and extremely low power compression.
  • Dual silicone laminated suspension system combined with optimised software materials offers increased linearity for tight, punchy bass reproduction at extreme SPL.
  • Fibre loaded, UK manufactured cone offering increased strength, durability and performance.
  • Optimised for ported enclosures, delivering bass down to 35 Hz in a 200 Litre enclosure.
  • 4-inch Inside/ outside windings copper voice coil.

The Colossus 18SB is intended for use as a high-output bass driver in multi way systems. It features a 4 inch ‘sandwich’ inside and outside windings voice coil, immersed in a symmetric magnetic field yielding increased linearity and lower distortion. This, coupled with a large Xmax of 8.25 mm and laminated silicone suspension, ensures tight, punchy bass at high levels of excursion. The cone membrane, manufactured from polycellulose, is much stronger and more durable than conventional paper pulp alternatives. This allows the driver to combine high-sensitivity with the structural integrity required to produce undistorted low frequencies at extreme sound pressure levels. The driver handles 1000 Watts (A.E.S.) continuous and can cope with peaks in excess of 4000 Watts. This is due to advanced thermal management in the form of vented die-cast chassis and increased motor system venting. These measures effectively remove heat from the voice coil, resulting in extremely low-power compression. The Colossus 18SB exhibits 100 dB sensitivity and can deliver bass down to 35 Hz (-6 dB) in a 200 Litre ported enclosure.

Thông số kỹ thuật sản phẩm COLOSSUS 18SB

Nominal Chassis Diameter 18" / 457.2 mm
Nominal Impedance 8 Ω
Minimum Impedance (Zmin) 6.5 Ω
AES Power Handling 1000 W (A.E.S.)
Program Power 2000 W
Peak Power (6dB Crest Factor) 4000 W
Frequency Range (-6dB) 35Hz - 2.5 kHz
Sensitivity (1W - 1m) Wideband 100 dB
Magnet Material Ferrite
Magnet Weight 120 oz
Magnetic Gap Depth 0.43" / 11 mm
Former Material Glass Fibre
Flux Density 1.1 Tesla
Voice Coil Material Copper - Inside/ Outside
Coil Winding Height 0.87" / 22 mm
Voice Coil Diameter 4" / 101.6 mm
Cone/ Dust Dome Material Curvilinear Poly-cellulose Solid Paper
Surround / Edge Termination Polyvinyl Damped Multi Roll. Poly Cotton
Speaker Type Sub Bass Driver

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