Eighteen Sound 18NLW4000

Eighteen Sound 18NLW4000
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Key Features
  • 95 dB SPL 1W / 1m average sensitivity
  • 100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
  • 3200 Watt program power handling
  • Composite reinforced straight ribbed cone
  • Optimized high grade neodymium magnet assembly
  • Recommended for subwoofer usage in compact vented or bandpass enclosures
DescriptionThe 18NLW4000 is an 18" (460 mm) extended low frequency loudspeaker, designed for use in vented or bandpass enclosure. The loudspeaker is designed to withstand high power levels without damage while providing clean and undistorted LF reproduction at a very high SPL. For optimum results we recommend amplifiers able to deliver 3400 Watt program power. The 18NLW4000 features a unique motor featuring a high grade neodymium magnet assembly in a structure optimized for thermal and magnetic efficiency. 18NLW4000 features include a large displacement suspension system which, in conjunction with a composite reinforced, straight ribbed cone, allows an ultra-linear piston action and provides full mechanical control across the entire working range. The 100mm (4 in) state-of-the-art voice-coil utilizing Interleaved Sandwich Voice coil (ISV) technology, provides high levels of thermal stability and durability. The ISV technology achieves a balanced linear motor unit exerting an exceptionally high force factor.  
Date tehnice: General SpecificationsNominal Diameter462mmRated Impedance8 OhmAES Power1600 WProgram Power3200 WPeak Power7200 WSensitivity95 dBFrequency Range30 - 1000 HzPower Compression @-10dBTBDPower Compression @-3dBTBDPower Compression @Full PowerTBDMax Recomm. Frequency250HzRecomm. Enclosure Volume130 - 350 lt (4.59 - 12.37 cuft)Minimum Impedance6,1 Ohm at 25°C 
Max Peak To Peak Excursion70 mm (2.76 in)Voice Coil Diameter100 mm (4 in)Voice Coil Winding MaterialCopper wireSuspensionTriple roll,   Heavy polycottonConeCurved ribbed fiber loaded celluloseThiele Small ParametersFs34 HzRe5,1 OhmSd0,113 sq. m (175,15 sq. in)Qms6,0Qes0,34Qts0,33Vas134 lt. (4.7 cu. ft)Mms290 gr. (0,64 lb)
BL30,5 TmLinear Mathematical Xmax± 14.5 mm (± 0,57 in)Le (1kHz)2,87 mHRef. Efficiency 1W@1m (half space)93.8 dBMounting informationOverall diameter462 mm (18,19 in)N. of mounting holes and bolt8Mounting holes diameter8,5 mm (0,33 in)Bolt circle diameter440 mm (17,32 in)Front mount baffle cutout ø416 mm (16,38 in)Rear mount baffle cutout ø422 mm (16,61 in)Total depth227 mm (8,93 in)
Flange and gasket thickness26 mm (1,02 in)Net weight9,8 kg (21,6 lb)
Shipping weight11,3 kg (24,9 lb)
CardBoard Packaging dimensions482x482x257 mm (18,98x18,98x10,12 in)ModelsModel Code Information18NLW4000 8 Ohm
Denumiri similare la Boxa auto Eighteen Sound 18NLW4000: 18 NLW 4000, 18 NLW4000, 18NLW 4000

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