Instruction Manual

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
and shall not be used in whole or in part without its written content
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博 士 達
4.1 Load test
Input Power 0.5W,white noise
Duration 96hrs
4.2 Heat test
Temperature +70± 3°C
Duration 96hrs
4.3 Cold test
Temperature -30± 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<15s
Cycles 5
4.5 Moisture Test
Tempeature +40 ± 2°C
Humidity 90±~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
2012/02/09
汪凤声
张秀琴
王 平
2012/02/09
汪凤声
DRG NO:BS/TES01.728A
Speaker
BLS50-12-16H17 LF
BLS50-12-16H17 LF