BeStar BMS50-11-50H7.5 LF - Manual (Page 4)

REV. Drawn Date
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Speaker
Date:
Note Approved by:
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DRG NO: BS/TES01.845A
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BMS50-11-50H7.5 LF
4.1 Load Test 0.25W
Duration 96hours
4.2 High temperature test
Temp. +60
2
°C
Relative humidity 20...50%RH
Duration 96hrs
4.3 Low temperature test
Temp. -25
2
°C
Duration 96hrs
4.4 Moisture temperature test
Temperature 40
2
°C
Relative humidity 90...95%RH
Duration 96hrs
4.5 Temperature cycles
Low temperature -25
°C
High temperature +60
°C
Cycles 4
4.6 Vibration
Frequency 30
±15Hz
Amplitude 1.5mm
Duration 3hours
4.7 Drop Test
Height 75cm
Direction x,y&z 3 axis
Time 6s
Dropped to 20mm thickness wooden boad contained packing
After each test of 4.2 to 4.3,4.4,speakers should be measured after 2hrs
exposed in
normal temperature.
After each test,All specification must be satisfied in this condition.
SPL:deviation is
±2dB of initial values
4.Reliability Test
BMS50-11-50H7.5 LF
王 平
王 平
张秀琴
2012-04-15
王 平 2012-04-15