Eighteen Sound |
HD1040 |
HD1040-8 |
DRV101040PO08FA - 0421081040 |
Compression driver |
Sold by piece |
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Brand Eighteen Sound |
Model HD1040 |
TLHP code HD1040-8 |
Manufacturer code DRV101040PO08FA - 0421081040 |
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Product type Compression driver |
Sales packaging Sold by Piece |
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If you want to purchase more than the quantity in stock, have a look at the supply time below :
Indicative average supply lead time: 11 weeks
The HD1040 one inch exit high frequency compression driver has been designed for use in high quality audio systems.
Equipped with proprietary Phase Plug architecture, the HD1040 has been designed to give high level manufacturing consistency and smooth coherent wave front at the horn entrance across the whole working frequency range. The phase plug with its short openings and high flare rate value assures low distortion and demonstrates remarkable improvements in mid-high frequency reproduction.
The HD1040 diaphragm assembly is made by proprietary treated Polyethylene material. Thanks to its superior diaphragm dimensional stability (160°C), the polyethilene shows constant behaviour during its whole working life. Moreover, this particular material with its very high value of elasticity modulus, (50% more than standard Mylar and 100% more than polyimide film) is capable of superior transient and intermodulation distortion response. The flat suspension shape is designed to maintain low stiffness and low mid band distortion and response.
An edge-wound aluminum voice coil wound on proprietary treated Nomex completes the diaphragm assembly. Thanks to its physical properties, the proprietary treated Nomex former shows a 30% higher value of tensile elongation at a working operative temperature, (200°C) when compared to Kapton. This feature enables proper energy transfer control from the voice coil to the dome in real working conditions. Moreover, this proprietary former material is suitable for use in damp and wet environments.
The HD1040 powerful ceramic magnet assembly has been designed to obtain 16 KGauss in the gap within a compact ferrite motor structure.
1 inch exit throat
107 dB SPL 1W / 1m average sensitivity
44mm (1 3/4 inch) voice coil diameter
80 Watt program power handling
Treated polyethylene diaphragm
Proprietary phase plug design
General |
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Product type | Compression driver |
Brand | Eighteen Sound |
Reference | HD1040 |
Product code | DRV101040PO08FA - 0421081040 |
Informations |
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Nominal impedance | 8 ohm |
Dimensional category | 4.5 inch |
Manufacturer sensitivity | 107 dB |
Nominal power handling | 40 W |
Max power handling | 80 W |
Bandwidth | 1600÷20000 Hz |
Recommended min cutoff frequency | 1600 Hz |
Exit dimension | 1.0 inch |
Datas |
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Flux density | 1.6 T |
Zmin | 7 ohm |
Weight | ~1.6 kg |
Dimensions |
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Voice coil diameter | 1.75 inch |
Outside diameter | 110 mm |
Depth | 60 mm |
Shape & Materials |
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Front chape | Cylindrical |
Magnet type | Ferrite |
This system is only available for technical questions. For questions of prices, availability of products and deadline thank you to send your request by the contact page.
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.