18s 18NLW9000 8 Ohm

18s 18NLW9000 8 Ohm
466,66 € * 690,20 € * (32,39% gespart)
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  • SW10241
The 18NLW9000 is an 18 inch neodymium high performance subwoofer. The loudspeaker has been... mehr
Produktinformationen "18s 18NLW9000 8 Ohm"
The 18NLW9000 is an 18 inch neodymium high performance subwoofer. The loudspeaker has been directly derived from our flagship 18NLW9600, and has been optimized for vented and bandpass subwoofer cabinet designs. For optimum results recommended amplifier should be able to deliver 3600 Watt program power without clipping. 

Eighteen Sound engineers have obtained the best possible results with today's available materials in terms of clean and undistorted LF reproduction at a ultra high SPL, with the lowest possible power compression figure. 

The transducer design features include a large displacement suspension system specifically designed for matching the carbon fiber reinforced, straight ribbed cone. Thanks to the Double Silicon Spider (DSS) technology, the 18NLW9000 is able to control the moving mass with high linearity, showing an exceptional stability of mechanical parameter values in the long term. Bl force factor, as well as all other electro-dynamic parameters, are linear within the working range. This, together with the exceptional high excursion behavior - 70mm before damage, ±14mm linear Xmax - makes the 18NLW9000 an extremely low distortion, highly dynamic transducer.

The state-of-the-art 5,3" inside outside ISV (Interleaved Sandwich Voice Coil) aluminum voice coil enables the 18NLW9000 to handle 3600W program power value. The 18NLW9000 has been developed after intense FEA and fluidodynamics simulation and testing, focusing on dissipating the heat generated by the powerful voice coil. Special attention was given to the optimization of air flow into the gap without introducing audible noise. A low-density material air diffractor placed into the heatsink acts as a cooling system, increasing the power handling capability and lowering the power compression figure. 

18NLW9000 is able to perform properly under inclement weather conditions: the exclusive cone treatment improves pulp strength and gives water repellent properties to both sides of the cone. A special coating applied to both the top and back plates makes the transducer far more resistant to the corrosive effects of salts and oxidization.

 

General Specifications

Nominal Diameter 462 mm (18 in)
Rated Impedance 8 Ohm
AES Power 1800W
Program Power 3600W
Peak Power 10000W
Sensitivity 97 dB
Frequency Range 32 - 2500 Hz
Power Compression @-10dB 0,7 dB
Power Compression @-3dB 1,2 dB
Power Compression @Full Power 2,2 dB
Max Recomm. Frequency 300 Hz
Recomm. Enclosure Volume 120 - 350 lt. (4.2 - 12.4 cuft)
Minimum Impedance 6,7 Ohm at 25°C
Max Peak To Peak Excursion 70 mm (2,75 in)
Voice Coil Diameter 135 mm (5,3 in)
Voice Coil winding material aluminum
Suspension Triple Roll, Polycotton
Cone Straight ribbed, carbon fiber reinforced cellulose

Thiele Small Parameters

Fs 34 Hz
Re 5,5 Ohm
Sd 0,1225 sq.mt. (190 sq.in.)
Qms 7
Qes 0,32
Qts 0,31
Vas 206 lt. (7.3 cuft)
Mms 218 gr. (0,48 lb)
BL 26.8 Tm
Linear Mathematical Xmax ±14 mm (±0,55 in)
Le (1kHz) 1,90 mH
Ref. Efficiency 1W@1m (half space) 96,1 dB

Mounting information

Overall diameter 462 mm (18,18 in)
N. of mounting holes and bolt 8
Mounting holes diameter 8,5 mm (0,33 in)
Bolt circle diameter 440mm (17,32 in)
Front mount baffle cutout ø 416 mm (16,38 in)
Rear mount baffle cutout ø 422 mm (16,61 in)
Total depth 237,5 mm (9,3 in)
Flange and gasket thickness 26 mm (1,02 in)
Net weight 12,5 kg (27,6 lb)
Shipping weight 13,8 kg (30,42 lb)
Packaging Dimensions 482x482x257 mm (19x19 x10,1 in)
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