• Natural Sound frequency response extended up to 20 kHz
• Next-gen 4-slot metal alloy phase plug
• Edge-wound 75mm (3 in) CCAW voice coil
• TPM proprietary nitride coat technology
• Neodymium ring magnetic structure
• Copper ring for reduced distortion and increased output
• Self-centering d-kit for accurate and fast service
16 Ohm version available
The ND3N 1.4 inch exit Natural Sound neodymium high frequency compression driver has been designed for high level sound systems application. The unit has been designed to fulfill tight geometrical requirements, thanks to its ultra compact 109mm overall diameter. In addition to the next-gen titanium diaphragm of the standard ND3ST version, our TPM nitrate coat is applied, doubling the titanium stiffness and avoiding spurious resonances at very high frequencies, assuring a 3rd harmonic distortion lower than 0.05% over the whole working range. A proprietary treated Nomex former is used as 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 higher moisture content environments.Despite of its compact size, the ND3N neodymium magnet assembly has been designed to obtain 20KGauss in the gap for major benefits in transient response. The motor structure, throughout the precisely coherent metal alloy phase plug with 4 circumferential slots and copper ring on the pole piece, reduces inductance effect and distortion. The diaphragm kit self centering design allows high precision mounting and at the same time makes very easy the servicing procedure. The ability to perform properly under inclement weather conditions is a key point of the Eighteen Sound philosophy. Hence, a special treatment is applied to the magnet and the top and back plates of the magnetic structure in order to make the driver more resistant to the corrosive effects of salts and oxidization. This treatment is more effective than any other coating commonly used.
Throat Diameter
36 mm (1.4 in)
Nominal Impedance
16 O
Minimum Impedance
14.1 O
Nominal Power Handling
110 W
Continuous Power Handling
220 W
Sensitivity
112.0 dB
Frequency Range
0.8 - 20.0 kHz
Recommended Crossover
1.2 kHz
Voice Coil Diameter
75 mm (3.0 in)
Flux Density
2.0 T
Overall Diameter
109 mm (4.29 in)
Depth
53 mm (2.09 in)
Net Weight
1.65 kg (3.64 lb)
Shipping Box
165x150x65 mm (6.50x5.91x2.56 in)
Empfindlichkeit
112.0 dB
Nominale Impedanz
16 Ω
Außendurchmesser
109 mm (4.29 in)
Versandkarton
165x150x65 mm (6.50x5.91x2.56 in)
Einbautiefe
53 mm (2.09 in)
Schwingspulendurchmesser
75 mm (3.0 in)
Netto Gewicht
1.65 kg
MInimale Impedanz
14.1 Ω
Frequenzbereich
0.8 - 20.0 kHz
Throat Diameter
36 mm (1.4 in)
Flux Density
2.0 T
Dauerbelastbarkeit
220 W
Nominale Belastbarkeit
110 W
Recommended Crossover
1.2 kHz
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