Characteristics, No. item specifications 1. size, Speaker mic audio analyser power amplifier – BeStar BLS50-1-08H18.2B-03W078 LF User Manual
Page 2: 1 electrical and mechanical characteristics

4
6
5
2
3
1
A
B
C
D
E
F
G
H
A
B
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
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/TES01.1035A
Rev.
Drawn
Date
Note
10.04.12
BLS50-1-08H18.2B-03W078 LF
BLS50-1-08H18.2B-03W078 LF
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
A
汪凤声
10.04.12
汪凤声
Speaker
Mic
Audio
Analyser
Power Amplifier
10cm
1
W
(2
.8
3
V
rm
s)
Anechoic chamber
1.2 Test Method
1.Characteristics
1.1 Electrical and Mechanical Characteristics
博 士 達
莫丽丽
王文邦