18s HD1040 8 Ohm

18s HD1040 8 Ohm
105,29 € * 147,56 € * (28,65% gespart)
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  • SW10227
The HD1040 one inch exit high frequency compression driver has been designed for use in high... mehr
Produktinformationen "18s HD1040 8 Ohm"
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.


General Specifications HF

Throat Diameter 25,4 mm (1 in)
Rated Impedance 8 Ohm
D.C. Resistance 5,3 Ohm
Minimum Impedance 7 Ohm at 4000Hz
AES Power 40 W above 1,6 kHz
Program power (8) 80 W above 1,6 kHz
Sensitivity (9) 107 dB
Frequency Range 1600Hz - 20kHz
Recomm. Xover Frequency 1600Hz (12dB/oct slope)
Diaphragm material Treated polyethylene
Voice Coil Diameter 44,4 mm (1 3/4 in)
Voice Coil winding material Edge-wound aluminum
Magnet material Ferrite
Flux Density 1,6 T
Bl Factor 7,4 N/A
Polarity Positive voltage on + terminal gives positive pressure in the throat

Mounting information

Overall diameter 110 mm (4,3 in)
N. of mounting holes and bolt 4 M6 holes 90° at Ø 76 mm (3 in)
Bolt circle diameter 76 mm (3 in)
Total depth 60,5 mm (2,38 in)
Net weight 1,6 Kg (3,52 lb)
Shipping weight 1,7 Kg (3,74 lb)
Packaging Dimensions 110x110x63 mm (4,3x4,3x2,5 in)
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