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產品應用

?室內各種自助機等設備擴聲;

?地鐵站閘機、售票機、客服中心等場所;

?滿足用戶桌面如:手機、電腦、音樂播放器等各類近場聽音環境的聆賞需求。

產品描述

?有源高品質音響,整機內置功放;
?采用高保真20W 3寸全頻率喇叭單元;
?聲音細節還原性好,音質清晰飽滿;
?高靈敏度覆蓋范圍廣;
?全鋁合金外殼,防震效果好;
?產品符合《RoHS限用物質技術標準》要求。

技術參數 (參數可以定制)

1、TEST CONDITION(測試條件)
Unless otherwise specified,The standard range of atmospheric conditions for marking measurementsand tests are as follows(無特定要求時如下述測試條件): 5℃~35℃ ,25%~85%RH ,860 HPA~1060 HPA.
If there is no doubt about the results, measurement shall be made with in the following limits.(當判定有疑義的場合如下述測試條件): 20℃±3℃ ,60%~70%RH ,860 HPA~1060 HPA.

2、SPECIFICATION OF SPEAKER MODE(喇叭模式規格)

2.1

Rated Impedance

額定阻抗

8Ω±15%

At 1KHz 1.0V

2.2

Resonance Frequency

最低共振周波數

104±20%Hz

At 1.0V

2.3

Rated Power

額定功率

15W

At 11.0V

2.4

Max Power

最大功率

20W

At 12.0V

2.5

Output S.P.L.

出力音壓

88±3dB at 0.1m/0.1w

At(1000Hz average)

2.6

Frequency response curve

實效頻寬

 F020KHz

Deviation-10dB from average S.P.L

2.7

Rub & Buzz

異常音檢查

Should not be audible buzz and rattle (無異常聲音)

Sine WAVE Between(正弦波入力) At 2.83V/100Hz2KHz

2.8

Distortion

失真

≤ 5% THD

At 1KHz 1.0m 1.0w

2.9

Polarity

極性

When a positive D.C current is applied to the voice coil terminal marked +,The diaphragm shall move forward.(端子的正極通入電流,振動板向前方運動)


3、Test of reliability (可靠性試驗)

3.1

High temperature test

耐熱試驗

+40±2℃ duration 72 hours ,then removal back to normal temperature for 2 hours.(+40±2℃,72小時實驗后,常溫放置2小時。)

3.2

Low temperature test

耐寒試驗

-20±2℃ duration 72 hours ,then removal back to normal temperature for 2 hours.(-20±2℃,72小時實驗后,常溫放置2小時。)

3.3

Humidity test

耐濕試驗

Temperature +30±2℃,relative humidity 90%95%,duration 72hours,then removal back to normal temperature for 2hours.(溫度+30±2℃,相對濕度 90%95%,72 小時實驗后,常溫放置2小時。)

3.4

Load test

連續負荷試驗

Subject samples to White Noise for 72 hours at 3.0W input power must be normal.(白噪聲15.0W,連續實驗72 小時后無異常。)

3.5

Drop test

跌落試驗

 The speaker shall be dropped1 times as shown in the 

figure and Cacophony must be normal        

(如圖示 1 次跌落實驗后外觀和聲音無異常)


3.6

In Sulation resistance

絕緣阻抗

A VOLTAGEOF 100V.d.c shall be applied for 1 min between a terminal and a frame,after which measurement shall be made,2 MΩ or MORE

DC100V,1 分鐘后端子與支架間2MΩ以上)

3.7

Vibration test ibration

振動試驗(捆包狀態)

10-55Hz/min

Amplitude:1.5mm

Duration: 2hours each axes

3.8

Storage temperature

儲存溫度

-20℃ TO +45℃


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