Reliability test – BeStar BMS17-11C-08H3.6RW037 LF User Manual
Page 4

H
H
2.Sensitivity difference at 0.8,1.0,1.5,2KHz average 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
3
Page:3 of 5
2
1
Speaker
A
B
3.5 Temperature Cycle Test
Temperature -40
° C +85° C
Duration 2hrs 2hrs
Cycles 5
3.3 Low Temperature Test
Temperature -40 ± 2° C
Duration 96hrs
3.1 Load Test
Power (Nom) 2.37Vrms(white noise)
Duration 48hrs
3.4 Damp Heat
Temperature 40± 2° C
Relative Humidity
90%-95%RH
Duration
96hrs
Notice:
1.All these tests above should be measured after leaving normal temperature
for 2hrs.
3.2 High Temperature Test
Temperature
+85
± 2° C
Duration
96hrs
T
h
is
p
ri
n
t
and
i
n
fo
rm
a
ti
on
t
he
re
i
n
a
re
p
rop
ri
e
ta
ry
t
o
B
e
s
ta
r E
le
c
tr
on
ics
I
ndu
s
tr
y
C
o
.,
L
td
.
and
s
ha
ll
no
t
be
u
s
ed
i
n
w
ho
le
o
r
in
p
a
rt
w
it
hou
t
it
s
wr
itt
en
c
on
tent
D
C
E
F
3. Reliability Test
G
D
C
E
F
G
4
6
5
3
2
1
3.7 Drop Test
Height 1m
Drop face thick board (20mm)
Times 10
08/01/09
A
程久生
DRG NO: BS/TES01.899A
08/01/09
BMS17-11C-08H3.6RW037 LF
BMS17-11C-08H3.6RW037 LF
3.6 Vibration Test
Vibration 10~55Hz/min
Amplitude 1.5mm
Duration 1 hrs in each of 3 axes
李红元
王文邦
王文邦