18s NSD1460N 8 Ohm

18s NSD1460N 8 Ohm
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  • SW10272
NSD1460N is a 1.4 inch exit, 3 inch diaphragm neodymium compression driver that has been... mehr
Produktinformationen "18s NSD1460N 8 Ohm"
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.


General Specifications HF

Throat Diameter 35,5 mm (1,4 in)
Rated Impedance 8 Ohm
D.C. Resistance 6,2 Ohm
Minimum Impedance 8 Ohm at 3500 Hz
Le (1kHz) 124 µH
AES Power 100 W above 1,2 kHz
Program power (8) 200 W above 1,2 kHz
Sensitivity (9) 110 dB
Frequency Range 500 Hz - 20 kHz
Recomm. Xover Frequency above 800 Hz (12 dB/octave)
Diaphragm material Treated Titanium
Voice Coil Diameter 74,4 mm (2,93 in)
Voice Coil winding material Edge-wound aluminum
Magnet material  

Mounting information

Overall diameter 132,5 mm (5,22 in)
N. of mounting holes and bolt 4 M6 holes 90° at Ø102 mm (4 in)
Bolt circle diameter 102 mm (4 in)
Total depth 62 mm (2,5 in)
Net weight 3,2 Kg (7,1 lb)
Shipping weight 3,4 Kg (7,5 lb)
Packaging Dimensions 132x132x68 mm (5,2x5,2x2,7 in)
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