BeStar BLS50-2B-08H24.5W050J LF - Manual (Page 6)

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Checked by:
Date:
Page:06 of 08
Drawn Rev. Date Note
A
博 士 達
4.1 Load test
Input Power 0.3W,white noise
Duration 96hrs
4.2 Heat test
Temperature + 70
± 3°C
Duration 96hrs
4.3 Cold test
Temperature - 20
± 3°C
Duration 96hrs
4.4 Temperature change( shock )
Low Temperature - 20
± 3°C
High Temperature + 60
± 3°C
Dwell time each temperature 30min
Transfer time from lower to upper temperature<1 5s
Cycles 5
4.5 Moisture Test
Tempeature +40
± 2°C
Humidity 9 0
±~95±(RH)
Duration 48hrs
4.6 Drop test
Surface(floor) concrete or steel
Height 80cm
Direction X,Y&Z 3axes
After the test,all electronic and acoustic characteristic should be satisfied with the
specification. SPL: Deviation is of
2dB of initial value.
4. Reliability Test
2011/11/18 汪凤声
张秀琴
王 平
2011/11/18
汪凤声
DRG NO:BS/TES01.729A
Speaker
BLS50-2B-08H24.5W050J LF
BLS50-2B-08H24.5W050J LF