Reliability test – BeStar BLS2828-04H13.5-W100-BOX LF User Manual
Page 4

H
H
2.Sensitivity difference at 0.8-1.5KHz shall be within
±3dB from initial value
after test.
Date:
Checked by:
Approved by:
Drawn by:
4
Rev.
6
A
Note
Drawn
Date
5
B
3
Page:04 of 06
2
1
Speaker
A
B
4.3 Low Temperature Test
Temperature -40±2°C
Duration 96hrs
4.1 Load Test
Power (Nom) 2.0W(white noise)
Duration 96hrs
4.4 Damp Heat
Temperature
40
±2°C
Relative Humidity
90%-95%RH
Duration
24hrs
Notice:
1.All these tests above should be measured after leaving normal temperature
for 2hrs.
4.2 High Temperature Test
Temperature
+85
±2°C
Duration
96hrs
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4.6 Drop Test
Height 1.0m
Drop face thick board (20mm)
Times 10
4.Reliability Test
王 平
李红元
王文邦
2012/03/09
2012/03/09
A
王文邦
4.5 Temperature Cycle Test
Cycles 5
25
°C
T(
°C)
65
°C
t (h)
0.5
6
0.5
5
90~95%RH
4.7 Terminal Strength Test Capable of withstand 1kg load for 30
seconds without resulting in any damage
or rejection
BLS2828-04H13.5-W100-BOX LF
DRG NO: BS/TES01.1159A
BLS2828-04H13.5-W100-BOX LF