Reliability test, 20%-50%rh duration, 25 °c – BeStar BLS2828-11-08H11 LF User Manual
Page 4: Notice

H
H
2.sensitivity difference at 1kHz shall be within
±3dB from initial value after test.
Date:
Checked by:
Approved by:
Drawn by:
4
Rev.
6
A
A
Note
Drawn
Date
5
张小红
B
DRG NO: BS/TES01.1003A
3
张小红
Page:4 of 6
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Speaker
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B
4.6 Drop Test
Height 100cm (in state of packing)
Times 10 (Drop onto hardwood board)
4.5 Temperature Cycle Test
Cycle 4
4.3 Low Temperature Test
Temperature -25±3℃
Duration 16hrs
4.1 Load Test
Power 2.0W (pink noise)
Duration 100hrs
4.4 Damp Heat
Temperature 40±3℃
Relative Humidity
90%-95%RH
Duration 16hrs
1.All these tests above should be measured after leaving normal temperature
for 2hrs.
4.2 High Temperature Test
Temperature
+75
±3℃
Relative Humidity
20%-50%RH
Duration
16hrs
-25
°C
1hrs
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1hrs
+75
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4. Reliability Test
G
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25
°C
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Notice:
李红元
王文邦
BLS2828-11-08H11 LF
BLS2828-11-08H11 LF
09/04/16
09/04/16