| IP等级 | IP43 |
|---|---|
| 产地 | 东莞 |
| 产品认证 | CE |
| 额定电压 | 3v |
| 额定功率 | 2 |
| 灵敏度 | 98dB/W） |
| 外形 | 矩形 |
| 颜色 | 黑色 |
| 用途 | 扩音 |
| 种类 | 电动式动圈式) |
| 阻抗 | 4Ω |
| 组成方式 | 组合纸盆 |
| 品牌 | HJS |
| 型号 | HN2040 |
| 加工定制 | 是 |
| .PRODUCT OUTLINE | |
| 1-1 SCOPE | This specification is a typical speaker unit for telephone hand set |
| 1-2 DIMENSIONS | As shown in fig (1) |
| 1-3 NET WEIGHT | APPROX. 1.2 grams |
| 1-4 OPERATING TEMPERATURE | -30℃ to +70℃ |
| 1-5 STORAGE TEMPERATURE | -40℃ to +85℃ |
| 2.ELECTR0ACOUSTIC CHARACTERISTICS | |
| 2-1 TEST SET UP | Measuring conditions and procedures shown in fig(2) |
| 2-2 IMPEDANCE | 8Ω±15% ohm ( at 1 KHz, 0.9Vrms ) |
| 2-3 SOUND PRESSURE LEVEL | 88dB ±3dB SPL /1W/10mm at 800、1000、1200、1500Hz .AVE |
| 2-4 FREQUENCY RESPONSE | 800±20%HZ |
| 2-5 INPUT POWER (NOM./MAX.) | 1W/1.2W |
| 2-6 AUDIBLE NOISE | Must be free audible noise (buzzes and rattles) (200 ~ 10KHz frequency range ,input level up to 2.83Vrms) |
| 2-7 DISTORTION | Less than 10% at 1KHz 1W |
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