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FHDSP40A

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FHDSP40A

所属分类： Mylar 喇叭
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产品描述

1.SPECIFICATION
Speaker

1

Dimension

Φ40*H5.4

  

2

Impedance

32Ohm ± 20% at 1.0KHz

  

3

Rated Input Power

0.5W

  

4

Max Input Power

1.0W

  

5

Lowest Resonance Frequency

500±20%Hz

  

6

Audible Noise

The input power shall be set at rated noise power(0.5W). Using an audio oscillator sweep from F0 to 10KHZ in free air. There shall be no buzzes,rattles,nor spurious noises.

  

7

Sound Pressure Level

102±3dB SPL(0.1m,0.5W)    at1.0,1.2,1.5 2.0KHz  (0dB SPL=20μPa)

  

8

Distortion

Less exceed≤10%  at1.0KHz

  

9

Operating Temperature

-30℃ to + 70℃

  

10

Store Temperature

-40℃ to + 80℃

  

 

2.Dimensions 

 

3.Reliability Test 可靠性測試

 

3.1

High  Temperature  Test

High  Temperature:   +80℃±5℃
Duration :             96 hours

3.2

Low Temperature  Test

Low  Temperature:    -40℃±5℃
Duration :              96 hours

3.3

Humidity  Test

Temperature:         +40℃±5℃
Relative  humidity:    90%～95% RH
Duration :             96 hours

3.4

Vibration  Test

Vibration:            10Hz～55Hz   
Amplitude:           1.5mm or acceleration : 50m/s2
Duration :            2h per axis=10cycles ; 3 axis

3.5

Temperature  Cycle  Test

Temperature:         -40℃       +80℃
Duration :             2 hours  2 hours
Cycle:                5 Cycle

3.6

Drop  Test
(under the unit)

Height:              1.0m
Cycle:               10 Cycles

3.7

Load  Test

Noise:               White noise
Power:              0.5W
Duration:            96 hours and satisfy the test listed on item 05,08,14.

The test shall be carried out on the parts that passed 12hours in temperature 20℃.
The sensitivity difference from the initial value shall be within ±3dB.

 

4.Electrical And Acoustical Measuring Condition

 

5.Frequency Response 

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