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NO | Item | Specification | Condition | |||
1 | Dimensions | Φ36mm*H19mm | ||||
2 | Nominal Impedance | 4Ω±15% | At 1.0KHz / 0.89V | |||
3 | Rated Power | 3w | At 2.83V | |||
4 | Maximum Power | 4w | AT 3.46V | |||
5 | Lowest Resonance Frequency | 260HZ±20% | At 0.89V | |||
6 | Sensitivity | 86±3dB | 0.1M/01W AT(1000,1500,2000,2500 HZ) | |||
7 | Effective Bandwidth | F0~20KHZ | Output S.P.L. -10DB | |||
8 | Distortion | 5%Max | AT 2000HZ 0.1W/0.1M | |||
9 | Abnormal Sound | No abnormal sound was detected when a 2.83V sine wave was input from 200Hz to 5kHz. | ||||
10 | Polarity | When the positive terminal is supplied with current, the diaphragm vibrates forward | ||||
11 | Continuous Load Test | After load testing, it must be normal: white noise, 1W, 440Hz-20kHz, 96 hours. | ||||
12 | Heat Resistance Test | After a 24-hour test at +60°C and 20~25% R.H., followed by 2 hours at room temperature, there should be no abnormal defects. | ||||
13 | Cold Resistance Test | After a 24-hour test at -25℃±3℃, followed by 2 hours at normal temperature, no abnormalities or defects were observed. | ||||
14 | Humidity Resistance Test | After a 24-hour test at +40℃ and 90~95% R.H., followed by 4 hours at normal temperature, no abnormalities or defects were observed. | ||||
15 | Drop Test | Place the product on a test bench (with a 60-degree angle on one side and a height of 1 meter), slide it down six times and test for no unusual sounds. | ||||
16 | Welding Conditions | 350℃≤3-5SEC*2BIT | ||||
17 | Operating Temperature | -25℃ T0 +60℃ | ||||
18 | Storage temperature | -30℃ To +70℃ |
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