Category: | Speaker |
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Transmission Mode: | Air-conduction |
Cone: | Polypropylene and Titanium Edge |
Transducer Principle: | Dynamic Earphone |
Style: | Head-mounted |
Radiation Mode: | Indirect Radiation Type |
Customization: |
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Item | Specifications |
Dimension | φ18×3.9 t |
Rated Input Power | 0.8W |
Max Input Power | 1.0W |
Rated Impedance | 8±15% Ω /2 KHz/1V |
Coil resistance | 7.4±15% Ω |
Resonance Frequency(f0) | 1050±20% Hz/1V |
Sound Pressure Level | 100±3 dB at (AVG 0.8,1.0,1.2,1.5)KHz 0.5W/0.05m baffleboard (IEC) |
Out SPL | / |
Frequency Range | Fo ~ 20KHz |
Total Harmonic Distortion | 10%MAX. at 1K~7KHz, 0.8W |
Flux Density | 0.6T |
Polarity | When a positive DC Current is applied to the voice coil terminal marked +or red ,the diaphram shall move forward |
OperationTest | Must be normal at sine wave and program source 0.8W. |
Buzz,Rattle,etc. | Should not be audible at 2.53V sine wave between (f0 Hz ~ 20kHz) |
Weight | 1.9 g |
Voice Coil Diameter | φ10.4 mm |
Magnet (NdFeB) | φ9.5×1.0t mm |
Appearance | Should not exist any obstacle to be harmful to normal operation;damages,cracks,rusts and distortions,etc. |
Storage temperature | -40ºC~+85ºC |
Operation temperature | -40ºC~+85ºC |
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