This speaker is designed for applications requiring a compact yet powerful 8-ohm speaker, offering a balance of high SPL and efficiency. Ideal for portable audio devices, small electronics, and embedded systems where size is a factor.
Key Features:
- Compact Design:
- Dimensions: 40mm x 14mm.
- Rated Impedance: 8 Ohms ± 15% at 1 kHz and 1V.
- Frequency Range: 200 Hz to 3500 Hz.
- Power Ratings:
- Rated Input Power: 1.5W.
- Maximum Input Power: 2W.
- High Sound Pressure Level:
- SPL (Sound Pressure Level): 90 ± 3 dB (measured at 0.1W/0.1m, with baffle board) for frequencies of 0.8 kHz, 1.0 kHz, 1.5 kHz, and 2.0 kHz.
- Clear Sound and Low Distortion:
- Total Harmonic Distortion: Maximum of 10% at 1 kHz and 1.0W power input.
- Polarity and Performance:
- Polarity: The diaphragm moves forward when a positive DC voltage is applied to the "+" or red terminal.
- Operation Test: Must perform normally at 1.0W with sine wave and program source.
- Buzz/Rattle: Should be free from audible buzz or rattle at 2.83V sine wave between 200 Hz and 5 kHz.
- Magnet and Coil Specifications:
- Voice Coil Diameter: 13.28mm (H2.5mm).
- Magnet Type: NdFeB (Neodymium Iron Boron), with dimensions 2.5mm x 1.7mm.
- Durability and Appearance:
- Appearance: The speaker must be free from any damages such as cracks, rust, or distortions that could interfere with normal operation.
- Temperature Tolerance:
- Operating Temperature Range: -25°C to +70°C.
- Storage Temperature Range: -30°C to +80°C.
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