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18Sound

HORN DRIVER 18SOUND NSD1095N 1" NEO TREATED

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SKU:
60832
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Description

18 Sound NSD1095N 1" Neodymium High Frequency Driver

Size: 1" throat
Power Rating: 50W AES
Frequency Response: 1600-20kHz
Sensitivity: 110db
Impedance: 8 ohms
Voice Coil: 1.75"
Crossover Frequency: 1600Hz
Weight: 2.9 lbs.

The NSD1095N 1 inch exit neodymium compression driver has been designed for situations where the highest quality is required.

Equipped with proprietary phase plug architecture, the NSD1095N has been designed to give a smooth coherent wavefront at the horn entrance across the whole working frequency range. The phase plug short openings and high flare rate value assure low distortion and overall, this kind of phase plug demonstrates remarkable improvements in mid-high frequency reproduction.

A further innovation in the NSD1095N, when compared to the already excellent performances of the ND1090, is the titanium material treatment (TPM technology) developed after extensive research by Eighteen Sound. The special titanium nitride coated dome 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), the nitride thin film is capable of doubling the diaphragm overall stiffness. The piston frequency range motion extends frequency by 25%, showing a predictable, ideal frequency response decay and avoiding top-end spurious resonances.

An edge-wound copper-clad aluminum voice coil, wound on proprietary treated Nomex, completes the diaphragm assembly. Nomex shows a 30% higher value of tensile elongation at a working operative temperature (200°C) when compared to Kapton. Moreover, this proprietary former material is also suitable for use in high moisture content environments.

The powerful neodymium magnet assembly has been designed to obtain 20KGauss in the gap giving major benefits in transient response.
A copper ring on the pole piece reduces inductance above 10 kHz, improving phase and impedance linearization.

The custom designed O-ring creates a tight seal between the plate and the cover assuring air chamber loading. Excellent heat dissipation and thermal exchange are guaranteed by the direct contact between the magnetic structure and the aluminum cover which leads to a lower power compression value. ND1090 driver more resistant to the corrosive effects of salts and oxidization. This treatment is more effective than any other treatment used by other manufacturers.

 

 

Features
  • 110 dB SPL 1W / 1m average sensitivity
  • 1- inch exit throat
  • 1.75- inch voice coil diameter
  • 100W program power handling
  • True Piston Motion TiN coated titanium diaphragm
  • Neodymium ring magnetic structure
  • Proprietary phase plug design
  • Excellent thermal exchange
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