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18 Sound HD125
Art.Nr.: 18SHD125
18-Sound HD125 HF Compression Treiber
Keine Bewertungen
Hersteller:
Eighteensound
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18 Sound HD125
SMALL SPECIFICATIONS
109 dB SPL 1W / 1m average sensitivity 1 inch exit throat 25,4 mm (1 in) edgewound aluminum voice coil 50W continuous program power handling Low weight, easy mounting and handling structure Usable in two way or multiway systems
The HD125 1” exit HF unit has been designed as the natural evolution of the industry standard HD120 compression driver. It delivers an unmatched combination of extended linear frequency response and very high efficiency. With a 1-inch exit throat, the HD125 is developed to match our XT120 and XT1086 elliptical shape constant directivity horns.
The major advancement in HD125 compression driver consists in a new innovative diaphragm assembly made in proprietary treated Polyethylene material. This design maintains the minimum resonance frequency point value at 1600Hz, extending the frequency response in the mid region when compared to HD120 compression driver.
The design of diaphragm and its surround in polyester material allow a best movement and stress control; the special radial ribs increase stiffness avoiding uncontrolled vibration modes in the usable frequency range.
An edge-wound aluminum voice coil, wounded on proprietary treated Nomex, completes diaphragm assembly. Thanks to its physical properties, the HD125 former shows 30% higher value of tensile elongation at working operative temperature (200°C) when compared to Kapton. This plus is capable to keep properly energy transfer control to the dome in real working conditions. Moreover, this particular former material is suitable to work also in higher moisture contents environments.
The polypropylene phase plug is the result of a meticulous design exercise. Its shape assures the correct acoustic impedance of the radiating dome, reducing distortion levels across a very wide frequency range. At the end, it results in a smooth coherent wavefront in the horn entrance, high thermal stability and manufacturing consistency.
The HD125 compact size and lightweight ceramic magnet assembly has been designed to obtain 16KGauss in the gap.
SMALL SPECIFICATIONS
| GENERAL SPECIFICATIONS | |
| Throat Diameter | 25,4 mm (1 in) |
| Rated Impedance | 8 ohm |
| DC Resistance | 5,7 Ohm |
| Minimum Impedance | 8 ohms 5000Hz |
| Power handling | |
| Continuous Pink Noise (1) | 25 W above 2,5 kHz |
| Continuous Program (2) | 50 W above 2,5 kHz |
| Sensitivity(1W@1m) (3) | 109 dB |
| Frequency Range | 2 kHz ÷ 18 kHz |
| Recomm. Xover Frequency | 2500 Hz (12dB/oct slope) |
| Diaphragm Material | Polyester |
| Voice Coil Diameter | 25,4 mm (1 in) |
| Voice Coil Winding Material | Edge-wound aluminum |
| Magnet Material | Ferrite |
| Flux Density | 1,65 T |
| BL Factor | 3,5 N/A |
| Polarity | Positive voltage on + terminal gives positive pressure in the throat |
| MOUNTING INFORMATIONS | |
| Overall diameter | 87 mm (3,4 in) |
| Mounting holes diameter | 2 M5 at 180 degrees |
| Bolt circle diameter | 76 mm (3 in) |
| Total depth | 46 mm (1,8 in) |
| Net weight | 0,8 Kg (1,77 lb) |
| Shipping weight | 0,9 Kg (1,99 lb) |
| CardBoard Packaging dimensions | 90x90x70 mm(3,5x3,5x2,8 in) |
The HD125 1” exit HF unit has been designed as the natural evolution of the industry standard HD120 compression driver. It delivers an unmatched combination of extended linear frequency response and very high efficiency. With a 1-inch exit throat, the HD125 is developed to match our XT120 and XT1086 elliptical shape constant directivity horns.
The major advancement in HD125 compression driver consists in a new innovative diaphragm assembly made in proprietary treated Polyethylene material. This design maintains the minimum resonance frequency point value at 1600Hz, extending the frequency response in the mid region when compared to HD120 compression driver.
The design of diaphragm and its surround in polyester material allow a best movement and stress control; the special radial ribs increase stiffness avoiding uncontrolled vibration modes in the usable frequency range.
An edge-wound aluminum voice coil, wounded on proprietary treated Nomex, completes diaphragm assembly. Thanks to its physical properties, the HD125 former shows 30% higher value of tensile elongation at working operative temperature (200°C) when compared to Kapton. This plus is capable to keep properly energy transfer control to the dome in real working conditions. Moreover, this particular former material is suitable to work also in higher moisture contents environments.
The polypropylene phase plug is the result of a meticulous design exercise. Its shape assures the correct acoustic impedance of the radiating dome, reducing distortion levels across a very wide frequency range. At the end, it results in a smooth coherent wavefront in the horn entrance, high thermal stability and manufacturing consistency.
The HD125 compact size and lightweight ceramic magnet assembly has been designed to obtain 16KGauss in the gap.
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18 Sound HD125
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18 Sound HD125Art.Nr.: 18SHD125
18-Sound HD125 HF Compression Treiber
SMALL SPECIFICATIONS 109 dB SPL 1W / 1m average sensitivity 1 inch exit throat 25,4 mm (1 in) edgewound aluminum voice coil 50W...
Artikel 7 / 20