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Eighteen Sound - A Division of AEB SRL - NSD1480N
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1.4-inch Exit High Frequency Neodymium Compression Driver, 200W Power Handling

Series: N1400

Model: NSD1480N

  • 111 dB 1W / 1m average sensitivity
  • 1,4 inch exit throat
  • 3 inch voice coil diameter
  • 200W program power handling
  • Titanium Nitride Coated Dome
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NSD1480N 1.4 inch exit, 3" voice coil neodymium compression driver has been designed for top quality sound systems application. A great innovation in the NSD1480N is the titanium nitride coated dome - so called TPM True Piston Motion technology - that dramatically improves stiffness with obvious benefits in transient and intermodulation distortion response. With its very high value of elasticity modulus (six times higher than titanium and two times higher than beryllium), nitride coated film is capable of doubling the titanium stiffness. The piston frequency range motion extends frequency by 25%, showing a predictable, ideal frequency response decay and avoiding top-end spurious resonances. The nitride-free ellipsoidal suspension shape has been designed to maintain constant titanium stiffness, assuring a 3rd harmonic distortion lower than 0.05% over the whole working frequency range. The titanium diaphragm is produced in-house and has been developed to assure unmatched transient response. The diaphragm assembly is made joining the former directly to the titanium dome on its upper bend edge. In comparison with a usual straight former joint, the driver design assures extended frequency energy transfer for improved response linearity and unparallel reliability. This feature allows proper motion control of the dome in real working conditions. A proprietary treated Nomex former shows a 30% higher value of tensile elongation at a working operative temperature (200°C) when compared to Kapton. This proprietary former material is also suitable for use in higher moisture content environments. The NSD1480N powerful neodymium magnet assembly has been designed to obtain 22KGauss in the gap for major benefits in transient response. The motor structure, throughout the precisely coherent phase plug with 3 circumferential slots and copper ring on the pole piece, reduces inductance effect and distortion. Four top plate air ducts have been designed to act as a loading chamber for the diaphragm, implementing mid band distortion and response figures.
  • 111 dB 1W / 1m average sensitivity
  • 1,4 inch exit throat
  • 3 inch voice coil diameter
  • 200W program power handling
  • Titanium Nitride Coated Dome
  • True Piston Motion TiN coated titanium diaphragm
  • High grade neodymium magnetic structure
  • Excellent thermal exchange
 
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