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162_14633

Features

  • 110 dB 1W / 1m average sensitivity 1,4 inch exit throat
  • 3 inch voice coil diameter
  • 200 W program power handling
  • Titanium Nitride Coated Dome
  • True Piston Motion (TPM) Technology Powerfully
  • Neodymium magnetic structure
  • Excellent thermal exchange
NSD1460N is a 1.4 inch exit, 3 inch diaphragm neodymium compression driver that has been designed for top quality sound systems application.
The titanium nitride (TiN) coated dome improves stiffness with direct benefits in transient and intermodulation distortion response.
With its very high value of elasticity modulus (6 times higher than titanium and 2 times higher than beryllium), nitride layer doubles the diaphragm stiffness, extending the pistonic motion frequency range by 25%, and showing a predictable, ideal frequency response decay without top-end spurious resonances.
The titanium diaphragm is produced in-house and has been developed to assure unmatched transient response: 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 diaphragm assembly is made joining the voice coil former directly to the titanium dome on its upper bend edge. In comparison with a usual straight former joint, this joint type assures extended frequency energy transfer for improved response linearity and unparallel reliability, allowing enhanced motion control of the dome
in real working conditions.
Treated Nomex voice coil former, suitable for use in higher moisture content environments, shows a 30% higher value of tensile elongation at a working operative temperature (200°C) when compared to Kapton.
By carefully using elementary pieces of neodymium, the magnet assembly flux reaches 19 KGauss in the gap in a compact and lightweight structure. 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.
A custom 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 gives a lower power compression value.
A special coating is applied to the magnetic structure, making the NSD1460N resistant to the corrosive effects of salts and oxidization.

Specifications

Mounting and Shipping Info

  • Throat Diameter36 mm (1.4 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance8.0 Ω
  • Nominal Power Handling1100 W
  • Continuous Power Handling2200 W
  • Sensitivity3110.0 dB
  • Frequency Range0.5 - 20.0 kHz
  • Recommended Crossover41.0 kHz
  • Voice Coil Diameter75 mm (3.0 in)
  • Winding MaterialAluminum
  • Diaphragm MaterialNitride coated Titanium
  • Magnet MaterialNeodymium
  • Overall Diameter132 mm (5.2 in)
  • Depth62 mm (2.44 in)
  • Net Weight3.2 kg (7.05 lb)
  • Shipping Weight3.4 kg (7.5 lb)
  • Shipping Box132x132x68 mm (5.20x5.20x2.68 in)
  • 2 hour test made with continuous pink noise signal within the range from the recommended crossover frequency to 20 kHz. Power calculated on rated nominal impedance.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
  • 12 dB/oct. or higher slope high-pass filter.