Technical terms 2.frequencyresponse, No. item specifications 1. size, Bestar electronics industry co.,ltd – BeStar BLS50-1-08H18.2B-03 LF User Manual
Page 2: 32 1 speaker

4
6
5
2
3
1
A
B
C
D
E
F
G
H
A
B
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
C
D
E
F
G
H
6
5
4
Checked by:
Approved by:
Drawn by:
Date:
3
2
1
Speaker
Page:1 of 5
DRG NO: BS/TES01.938C
Rev.
Drawn
Date
Note
BESTAR ELECTRONICS INDUSTRY CO.,LTD
程久生
08.06.20
BLS50-1-08H18.2B-03 LF
BLS50-1-08H18.2B-03 LF
1.Technical Terms
2.FrequencyResponse
No. Item Specifications
1. Size
50*18.2mm
2. Impedance at 1KHz 8 ± 1.2
Ω
3. Resonance frequency 300 ± 45Hz
4. Operating frequency range fo...10K Hz
5. Rated input power 1w
6. Maximum input power 2w
7. Buzz & Rattle(at sine wave2.83V) must be normal
8. T.H.D(at 1KHz/0.1W) <2 %
9. SPL(1W,1M) at 1.0K Hz 81 ± 3dB
10. Connection terminals Soldertages(acc.DIN46244)
dimension 2.8*0.5mm
11. Operating temperature -40...+85 C
12. Storage temperature -40...+ 85 C
王文邦
A
08.04.11
王 平
汪凤声
110
100
90
80
70
60
100
1K
10K
20K
-180
-108
-36
36
108
Deg
180
dBSPL
Hz
B
08.05.08
汪凤声
C
08.06.20
汪凤声