BeStar BDT3008H12.8LF - Manual (Page 3)

Drawn
A
Rev. Date
6
www.be-star.com [email protected]
Approved by:
Checked by:
Note
5 4
Date:
Drawn by:
3 2
A
Speaker
Page:3 of 8
1
table 1
1.2 Frequency response curve
720
Frequency
/Hz
900
1000
1900
2000
1600
750
Test conditions
The test assembly is in free field or a test room with min 2m ×2m ground and 2m high
Distance between loudspeaker and SPL meter=10cm
BDT3008H12.8LF:
Trigger voltage is 2.8V0-p, 50% duty square wave signal
The trigger signal comes from a function generator FG100. The trigger voltage is
adjusted to 2.8V0-p constant voltage.(in case of load)
T
h
is
p
ri
n
t
a
n
d
i
n
fo
rm
a
tio
n
t
he
re
i
n
a
re
p
ro
p
ri
e
ta
ry
t
o
B
e
s
ta
r
E
le
c
tr
o
n
ics
I
ndu
s
tr
y
C
o
.,
L
td.
a
nd
s
h
a
ll
no
t
b
e
u
s
ed
i
n
w
h
o
le
o
r
in
pa
rt
w
ith
ou
t
it
s
w
ri
tt
en
c
on
tent
B
60
100
C
70
80
90
100
dB SPL
D
110
E
F
G
1K Hz
B
C
D
94
94 104
104
98 88
97
88
90
88
98
100
107
98
Min SPL
/dBA
Max SPL
/dBA
E
F
G
6
H
4 5 3 2 1
H
DRG NO: BS/TES01.1007A
陶红仲
王文邦
莫丽丽
09/05/12
莫丽丽 09/05/12 A
BDT3008H12.8LF
BDT3008H12.8LF