BeStar BLS2027-11-08H7.8 LF - Manual (Page 4)

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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
www.be-star.com [email protected]
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
2011/07/04
2011/07/04 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
BLS2027-11-08H7.8 LF
DRG NO: BS/TES01.1163A
BLS2027-11-08H7.8 LF