BeStar BMS40-12-08H4.9W076J LF - Manual (Page 4)

REV. Drawn Date
6 5
A Speaker
Date:
Note Approved by:
4
Drawn by:
Checked by:
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4. Reliability Test
4.1 Load Test 1W
Duration 48hours
4.2 High temperature test
Temp. +85
±2°C
Relative humidity 20...50%RH
Duration 48hrs
4.3 Low temperature test
Temp. -40
±3°C
Duration 48hrs
4.4 Moisture temperature test
Temp. 40
±2°C
Relative humidity 90...95%RH
Duration 48hrs
4.5 Drop Test
Height 100cm
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
BMS40-12-08H4.9W076J LF
DRG NO: BS/TES01.865B
丁小军
郭 敏
丁小军 08.7.30 A
BMS40-12-08H4.9W076J LF
莫丽丽
08.08.07
丁小军 08.08.07 B