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2x 18 Sound ND2060 2" Exit neodymium High Frequency Compression Driver 200W 8Ohm

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2x 18 Sound ND2060 T.C.
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Product Description

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18 Sound ND2060 2" Exit neodymium High Frequency Compression Driver 200 Watts 8-Ohm

Key Features

  • 109 dB SPL 1W / 1m average sensitivity
  • 2 inch exit throat
  • 3 inch aluminum edgewound voice coil
  • 200 W program power handling
  • Neodymium magnetic structure
  • Pure Titanium diaphragm assembly
  • Excellent thermal exchange


The ND2060 2-inch exit neodymium high frequency compression driver has been designed for high level sound systems application. Its titanium diaphragm is produced in house and has been developed to assure unmatched transient response. The diaphragm assembly is made by joining the former directly to the titanium dome on its upper bend edge. In comparison with a usual straight former joint, the driver's design assures extended frequency energy transfer for improved response linearity and unparallel reliability. This feature facilitates proper motion control of the dome in real working conditions.

A proprietary treated Nomex former is used as 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. The big innovation in ND2060 consists of its magnetic architecture. By careful use of elementary pieces of neodymium magnets, Eighteen Sound engineers have developed a powerful neodymium magnet assembly able to reach 19KGauss in the gap in compact and lightweight structures.

The motor structure, throughout the precisely coherent phase plug with 3 circumferential slots and copper ring on the pole piece, reduces inductance effects 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.

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. Due to the increasing use of high power audio systems at outdoor events or in marine environments, the ability of equipment to perform properly under inclement weather conditions is a key feature of Eighteen Sound philosophy.

Hence, a special treatment has been applied to the magnet and the top and back plates of the magnetic structure which make the driver more resistant to the corrosive effects of salts and oxidization. This treatment is more effective than any other treatment in use by other manufacturers.

General Specifications HF

Throat Diameter 50 mm (2 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) 109 dB
Frequency Range 500 Hz - 20 kHz
Recomm. Xover Frequency 800Hz (12 dB/oct slope)
Diaphragm material Titanium
Voice Coil Diameter 75 mm (3 in)
Voice Coil winding material Edge-wound aluminum
Magnet material Neodymium
Flux Density 1,9 T
Bl Factor 13,5 N/A
Polarity Positive voltage on red terminal gives positive pressure in the throat

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 102mm (4 in)
Total depth 99 mm (3,9 in)
Net weight 3,2 kg (7,05 lb)
Shipping weight 3,3 kg (7,27 lb)
Packaging Dimensions 132x132x103 mm(5,2x5,2x4,1 in)