BeStar BMS18-11C-08H4.5RW020 LF - Manual (Page 4)

H H
sensitivity difference at 1kHz shall be within
± 3dB from initial value after test.
Date:
Checked by:
Approved by:
Drawn by:
4
BESTAR ELECTRONICS INDUSTRY CO.,LTD
Rev.
6
A
Note Drawn Date
5
B
www.be-star.com [email protected]
3
Page:3 of 5
2 1
Speaker
A
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 -20± 3℃
Duration 48hrs
4.1 Load Test
Power 0.5W
Duration 96hrs
4.4 Damp Heat
Temperature 40± 3℃
Relative Humidity
90%-95%RH
Duration
96hrs
All these tests above should be measured after leaving normal temperature for 1hrs.
4.2 High Temperature Test
Temperature
+70
± 2℃
Duration
48hrs
-20
1hrs
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1hrs 1hrs
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4. Reliability Test
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4
BMS18-11C-08H4.5RW020 LF
6 5 3 2 1
朱成兴 A
朱成兴
高 正 06/11/20
程久生
06/11/20
BMS18-11C-08H4.5RW020 LF
DRG NO: BS/TES01.652A