18s 12NW530 8 Ohm

18s 12NW530 8 Ohm
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  • SW10258
The 12NW530 low frequency neodymium transducer has been specifically developed for high power,... mehr
Produktinformationen "18s 12NW530 8 Ohm"
The 12NW530 low frequency neodymium transducer has been specifically developed for high power, low distortion, very compact subwoofer applications. The transducer finds its main application on compact vented subwoofers as small as 40 liters. The neodymium magnet assembly developed by Eighteen Sound engineers assures high flux concentration, low power compression and excellent heat exchange, since the external magnet configuration is considerably more efficient than traditional under-pole magnet topology. This results in high levels of force factor and power handling with an optimum power to weight ratio. A state-of-the-art Interleaved Sandwich Voice coil (ISV) copper wire voice coil provides high levels of thermal stability and durability. The transducer incorporates Eighteen Sound DSS technology (Double Silicon Spider), in combination with a single roll highly damped surround, that has been designed to provide symmetric large signal behaviour throughout the whole working range, providing low harmonic distortion at different excitation levels. The already low distortion and sound quality are further improved by properly positioned Single Demodulating Ring (SDR), that flattens impedance and phase curves helping a constant power transfer from the amplifier. The deep profile curvilinear cone, created from a special high strength wood pulp, has been designed to achieve the best possible linearity. The humidity repellent cone treatment significantly dampens bell mode resonances. A special coating applied to both the top and back plates makes the 12NW530 far more resistant to the corrosive effects of salts and oxidization.


General Specifications

Nominal Diameter 300mm (12 in)
Rated Impedance 8 Ohm
AES Power 500W
Program Power 800W
Peak Power 1600W
Sensitivity 96dB
Frequency Range 48 - 3200 Hz
Power Compression @-10dB 0,9 dB
Power Compression @-3dB 2,0 dB
Power Compression @Full Power 3,1 dB
Max Recomm. Frequency 1300 Hz
Recomm. Enclosure Volume 30 - 80 lt. (1,06 - 2,83 cuft)
Minimum Impedance 6,3 Ohm at 25°C
Max Peak To Peak Excursion 30 mm (1,2 in)
Voice Coil Diameter 75 mm (3 in)
Voice Coil winding material copper
Suspension Single Roll, Rubber
Cone Curvilinear, Treated paper

Thiele Small Parameters

Fs 55 Hz
Re 4,9 Ohm
Sd 0,053 sq.mt. (82,31 sq. in.)
Qms 9,7
Qes 0,384
Qts 0,37
Vas 36 lt. (1,27 cuft)
Mms 93 gr. (0,2 lb)
BL 19,7 Tm
Linear Mathematical Xmax ± 8 mm (± 0,31 in)
Le (1kHz) 0,9 mH
Ref. Efficiency 1W@1m (half space) 93,8 dB

Mounting information

Overall diameter 315 mm (12,4 in)
N. of mounting holes and bolt 8
Mounting holes diameter 7,15 mm (0,28 in)
Bolt circle diameter 296-300 mm (11,65-11,8 in)
Front mount baffle cutout ø 282 mm (11,1 in)
Rear mount baffle cutout ø 282 mm (11,1 in)
Total depth 136 mm (5,35 in)
Flange and gasket thickness 11,5 mm (0,45 in)
Net weight 4,0 kg (8,8 lb)
Shipping weight 4,8 kg (10,6 lb)
Packaging Dimensions 332 x 332 x 184 mm (13,1 x 13,1 x 7,25 in)
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