18 Sound ND3ST compression driver, 8 ohm, 1.4 inch exit

Brand 
Eighteen Sound
Model 
ND3ST
SKU 
ND3ST-8
Manufacturer code 
DRV14N300TI08NC - 0423T8N400
Product type 
Compression driver
Sales packaging 
Sold by piece
Brand
Eighteen Sound
Model
ND3ST
TLHP code
ND3ST-8
Manufacturer code
DRV14N300TI08NC - 0423T8N400
Product type 
Compression driver
Sales packaging 
Sold by Piece
Recommended retail price
€576.00
TLHP selling price
368.64IT/piece
excluding delivery service
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36%

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  • The ND3ST 1.4 inch exit Natural Sound neodymium high frequency compression driver has been designed to fulfill state of the art performances needed for present and future very high quality sound reinforcement applications.

    The next-gen 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 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.

    The ND3ST neodymium magnet assembly has been designed to obtain 21KGauss in the gap for major benefits in transient response. The motor structure, throughout the precisely coherent proprietary designed 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.

    1.4 inch exit Neodymium compression driver
    Very fast impulse response for excellent transient reproduction
    Natural Sound frequency response extended up to 20 kHz
    240 W program power handling
    112 dB 1W / 1mt sensitivity
    75 mm (3 in) Edgewound CCAW voice coil
    Titanium diaphragm with proprietary suspension geometry
    Next gen 4-slot metal alloy phase plug design
    Copper sleeve for reduced distortion and increased high end output

General

Product type Compression driver
Brand Eighteen Sound
Reference ND3ST
Product code DRV14N300TI08NC - 0423T8N400

Informations

Nominal impedance 8 ohm
Dimensional category 4.5 inch
Manufacturer sensitivity 112 dB
Nominal power handling 120 W
Max power handling 240 W
Bandwidth 800÷20000 Hz
Recommended min cutoff frequency 1200 Hz
Exit dimension 1.4 inch

Datas

Flux density 2.1 T
Zmin 6.4 ohm
Weight ~2.3 kg

Dimensions

Voice coil diameter 3 inch
Outside diameter 120 mm
Depth 53 mm
Driver dimensions mouting holes 6.0 mm
Driver mounting system 4 points on diameter 101.6 mm

Shape & Materials

Front chape Cylindrical
Magnet type Neodymium
Winding material CCAW (Copper-clad aluminium wire)
Diaphragm material Titanium


Question about Eighteen Sound ND3ST-8

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Informations Eighteen Sound ND3ST-8

The ND3ST 1.4 inch exit Natural Sound neodymium high frequency compression driver has been designed to fulfill state of the art performances needed for present and future very high quality sound reinforcement applications.

The next-gen 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 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.

The ND3ST neodymium magnet assembly has been designed to obtain 21KGauss in the gap for major benefits in transient response. The motor structure, throughout the precisely coherent proprietary designed 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.

1.4 inch exit Neodymium compression driver
Very fast impulse response for excellent transient reproduction
Natural Sound frequency response extended up to 20 kHz
240 W program power handling
112 dB 1W / 1mt sensitivity
75 mm (3 in) Edgewound CCAW voice coil
Titanium diaphragm with proprietary suspension geometry
Next gen 4-slot metal alloy phase plug design
Copper sleeve for reduced distortion and increased high end output
Manufacturer Eighteen Sound
Name 18 Sound ND3ST compression driver, 8 ohm, 1.4 inch exit
SKU ND3ST-8
Impedance 8 Ohm
Seller TLHP
Price 368.64 307.2
Availability In stock


All or a part of the characteristics displayed on this page are provided by the manufacturer, it is possible that some pieces of information are unavailable or wrong. In addition, the manufacturer may need to change the product specifications without notice at any time in order to improve the product, or to adapt his offer to the manufacturing and supply constraints.. We suggest you to contact us if you need further information, if you observe a mistake or if you wish to have confirmation about information.

Measures/Schemes Eighteen Sound ND3ST-8

SPL measure

Image spl measure compression driver Eighteen Sound 18 Sound ND3ST compression driver, 8 ohm, 1.4 inch exit

Impedance measure

Image impedance measure compression driver Eighteen Sound 18 Sound ND3ST compression driver, 8 ohm, 1.4 inch exit

Dimensions

Image Drawing & Mounting compression driver Eighteen Sound 18 Sound ND3ST compression driver, 8 ohm, 1.4 inch exit

Garantie

This product is under manufacturer's warranty. This warranty protect you for the manufacturing defaults. The warranty does not protect for abnormal use of the product.

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