BeStar BLS2040-11-08H8.1 LF - Manual (Page 4)

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2.Sensitivity difference at 0.8~2.0KHz 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
www.be-star.com [email protected]
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Page:4 of 6
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Speaker
A
B
3.5 Temperature Cycle Test
Cycles 24
3.3 Low Temperature Test
Temperature -35 ± 3° C
Duration 48hrs
3.1 Load Test
Power (Nom) 2.0W(Sine Wave)
Duration 96hrs
3.4 Humidity Heat
Temperature 65± 3° C
Relative Humidity
90
± 3%RH
Duration
88hrs
Notice:
1.All these tests above should be measured after leaving normal temperature for 2hrs.
3.2 High Temperature Test
Temperature
+80 ± 3° C
Duration 48hrs
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3. Reliability Test
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4 6 5 3 2 1
3.7 Drop Test
Height 1.5m
Drop face thick board (20mm)
Times 18
A
+25
-35
T(
° C)
+80
t (hrs) 1hrs
1 cycles
1hrs 1hrs
transition time:15s
3.6 Vibration Test
Vibration frequency 10-55Hz
Amplitude 1.5m
Duration 2hrs
张小红
张小红
DRG NO: BS/TES01.1005A
李红元
09/05/20
09/05/20 王文邦
BLS2040-11-08H8.1 LF
BLS2040-11-08H8.1 LF