|
NO. |
Item |
Specification |
Condition |
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|
1 |
Dim
尺寸 |
Φ30*15*7.2H mm |
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|
2 |
Anomia Impedance 标称阻抗 |
8±15% OHM |
At 1.0KHz /2.83Vrms | ||
|
3 |
Input power
输入功率 |
Rated:2W/ Max：2W |
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|
4 |
ResonanceFrequency
最低共振周波数 |
720±20%Hz |
At0.89V |
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|
5 |
S．P．L．
音压位准 |
90±3 dB(0.1W/0.1M) |
At 0.8K/1.0K/1.2K/1.5KHz (Average) | ||
|
6 |
Frequencies Range
有效频宽 |
F0~20KHz |
Output S.P.L. -10dB |
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|
7 |
Distortion
失真 |
5%Max |
At 1.0KHz 0.1W/0.1M | ||
|
8 |
Buzz & Rattle
异常音 |
Not be audible sine wave between at 4.0V /F0~5KHz.
(输入4.0V正弦波从F0到5KHz无异常音) |
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|
9 |
Polarity
极性 |
Diaphragm shall move forward.
(端子的正极通入电流，振膜振动方向向前)
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|
10 |
Load test
连续负荷测试 |
Must be normal after load test:white noise 48 hours.
(白噪声连续 48 小时试验后无异常的不良)
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|
11 |
High TEMP test
耐热试验 |
After having been in a test chamber for 48 hours at the condition of +60 ℃
20~25%R.H and keep 2 hours.(+60℃ 20~25%R.H，48 小时试验常温 2 小时后，无异常的
不良)
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|
12 |
Cold TEMP test
耐寒试验 |
After having been in a test chamber for 48 hours at the condition of －25℃±3℃
and keep 2 hours.(－25℃±3℃，48 小时试验常温 2 小时后，无异常的不良)
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|
13 |
Humidity test
耐湿试验 |
After having been in a test chamber for 48 hours at the condition of +40 ℃
90~95%R.H and keep 4 hours. （+40℃ 90~95%R.H,48 小时试验常温 4 小时后，无异常的不良）
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|
14 |
Drop test
跌落试验 |
The speak shall be dropped 2 times
 as shown the figure, clause 8 shallbe satisfied.
(如右图示 2 次跌落满足异常音试验无异常)
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|
15 |
Weld
焊接条件 |
terminal weld: 350℃/≤2~3sec*2bit.（端子焊接不超过 2~3 秒）
|
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|
16 |
Store temp
储存温度 |
－25℃ To +60℃ |
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| 수입신고 1USD |
구매/결제대행 1CNY |
TT송금 1CNY |
|---|---|---|
| 6.81 CNY | 203.62 KRW | 0.149 USD |
