BeStar BMS2209-11C-08H3.7 LF - Manual (Page 4)

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2.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
A
Note Drawn Date
5
王文邦
B
www.be-star.com [email protected]
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Speaker
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3.5 Temperature Cycle Test
Cycles 4
3.3 Low Temperature Test
Temperature -40±3°C
Duration 96hrs
3.1 Load Test
Power 0.5W(pink noise)
Duration 96hrs
3.4 Damp Heat
Temperature 40±2°C
Relative Humidity
90%-95%RH
Duration 96hrs
Notice:
1.All these tests above should be measured after leaving normal temperature
for 1hrs.
3.2 High Temperature Test
Temperature
+80 ±3°C
Duration 96hrs
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3. Reliability Test
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4 6 5 3 2 1
DRG NO: BS/TES01.861A
07/09/13
程久生
王文邦
07/09/13
BMS2209-11C-08H3.7 LF
BMS2209-11C-08H3.7 LF
+25
-20
T(
°C)
+70
t (hrs) 1hrs 1hrs 1hrs
1 cycles
3.6 Drop Test
Height 100cm (in state of packing)
Times 10 (Drop onto hardwood board)
王 平