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喇叭 S45-04

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喇叭 S45-04

1. SPECIFICATIONSpeaker 1DimensionΦ45*H222Impedance4±15%Ωat 1.0KHz,1.0V3RatedInputPower3.0W4MaxInputPower5.0W5LowestResonanceFrequency150Hz±20% at1.0V6AudibleNoiseMustbefreeaudiblenoisef0～15kHz,Inputl
所属分类： 喇叭
1. SPECIFICATIONSpeaker 1DimensionΦ45*H222Impedance4±15%Ωat 1.0KHz,1.0V3RatedInputPower3.0W4MaxInputPower5.0W5LowestResonanceFrequency150Hz±20% at1.0V6AudibleNoiseMustbefreeaudiblenoisef0～15kHz,Inputl
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产品描述

1. SPECIFICATION

Speaker

 

1

Dimension

Φ45*H22

2

Impedance

4±15%Ω at 1.0KHz,1.0V

3

Rated Input Power

3.0W

4

Max Input Power

5.0W

5

Lowest Resonance Frequency

150Hz±20% at 1.0V

6

Audible Noise

Must be free audible noise f0～15kHz, Input level up to 3.46Vrms.

7

Sound Pressure Level

90±3dB/0.1W 0.1M at 0.8,1.0,1.2, 2.0KHz Average

8

Distortion

Less then 8 % at 1kHz 3W.

9

Operating Temperature

-25℃～+60℃

10

Store Temperature

-25℃～+60℃

2. D  2. Dimensions

Unit: mm

*Unit: mm; Tolerance: ±0.5mm Except Specified

 

 

3.Reliability Test 可靠性測試

3.1

High temperature test

耐热试验

+60±2℃ duration 48 hours ,then removal back to normal temperature for 2 hours.       (+60±2℃，48小时实验后，常温放置2小时。)

3.2

Low temperature test

耐寒试验

-25±3℃ duration 48 hours ,then removal back to normal temperature for 2 hours.      （-25±3℃，48小时实验后，常温放置2小时。）

3.3

Humidity test

耐湿试验

Temperature +40±2℃,relative humidity 90%～95%,duration 48hours,then removal back to normal temperature for 2hours.

(温度+40±2℃，相对湿度90%～95%,48小时实验后，常温放置2小时。)

3.4

Load test

连续负荷试验

Subject samples to White Noise for 48 hours at 3.3V input power must be normal.   

   (白噪声3.3V，连续实验48小时后无异常。）

3.5

Temperture cycle test

温度周期试验

Temperature : -25±3℃ to +60±2℃

Duration    : 2 hours     2 hours  

Cycle       :5cycle

(温度-25℃2小时转

高温+60℃2小时为一周期，

共试验5周期。）

3.6

Drop test

跌落试验

The speaker shall be dropped 3 times as shown  

in the figure and Cacophony must be normal

(如图示3次跌落实验后外观和声音无异常)

3.7

In Sulation resistance

绝缘阻抗

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

（D．C．100V，1分钟后端子与支架间2 MΩ以上）

3.8

Vibration test ibration

振动试验（捆包状态）

X，Y，Z axis；10~55~10Hz/1 minute：Amplitude:1.5mm，Endurance：2 hours each plan.

(沿X，Y，Z三轴10~55~10Hz/1分钟，振幅1.5mm各2小时)

3.9

Operating temperature

动作温度

-25℃ TO +60℃

3.10

Storage temperature

储存温度

-25℃ TO +60℃

 

  All these tests above should be measured after leaving normal temperature for 1hrs.

Sensitivity difference at 1kHz shall be within ±3dB from initial value after test.

以上試驗完畢後必須於常溫狀態下放置1小時再進行檢測。

測試音壓級變化要求1kHz時必須在±3dB以內。

4. Electrical And Acoustical Measuring Condition

 

5. Frequency Response


6. PACKING METHOD

TBD

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