2 Stück 18s HD1480T 8 Ohm

2 Stück 18s HD1480T 8 Ohm
356,12 € * 654,50 € * (45,59% gespart)
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  • SW10300
2 Stück Messmuster im NEUWERTIGEN Zustand   The HD1480T 1.4 inch exit high frequency... mehr
Produktinformationen "2 Stück 18s HD1480T 8 Ohm"
2 Stück Messmuster im NEUWERTIGEN Zustand
 
The HD1480T 1.4 inch exit high frequency compression driver has been designed for use in high quality installed audio systems, where weight is not the key issue. 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 HD1480T diaphragm assembly is composed of a titanium dome sandwiched to a proprietary treated polyester suspension unit. It has been designed to maintain low resonance, lowering the minimum crossover point value at 1,2kHz. Thanks to its physical properties, the proprietary treated Nomex former has 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 also suitable to for use in higher moisture content environments. The HD1480T powerful ceramic magnet assembly has been designed to obtain 16KGauss in the gap. Excellent heat dissipation and thermal exchange are guaranteed by the direct contact between the magnetic structure and the diecast aluminum heatsink which leads to a lower power compression value.

 

General Specifications HF

Throat Diameter 35.5 mm (1.4 in)
Rated Impedance 8 Ohm
D.C. Resistance 6,2 Ohm
Minimum Impedance 8 Ohm at 3500Hz
AES Power 100W above 1,2 kHz
Program power (8) 200W above 1,2 kHz
Sensitivity (9) 109 dB
Frequency Range 500Hz - 20kHz
Recomm. Xover Frequency above 800Hz (12 dB/oct slope)
Diaphragm material Titanium - Polyethilene
Voice Coil Diameter 75 mm (3 in)
Voice Coil winding material Edge-wound aluminum
Magnet material Ferrite
Flux Density 1,8 T
Bl Factor 12,8 N/A
Polarity Positive voltage on + terminal gives positive pressure in the throat

Mounting information

Overall diameter 169 mm (6,65 in)
N. of mounting holes and bolt 4 M6 holes 90° at Ø 102 mm (4 in)
Bolt circle diameter 102 mm (4 in)
Total depth 75,4 mm (3 in)
Net weight 5,3 Kg (11,60 lb)
Shipping weight 5,4 Kg (11,9 lb)
Packaging Dimensions 185x170x85mm (7.2x6.6x3.3 in)
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