BeStar BMS40-12-08H6.9 LF - Manual (Page 2)

B
6
A
4 5 3
C
2 1
A
B
C
D
E
F
G
H
6 4 5 3
D
E
F
G
1 2
Drawn by:
Drawn Rev. Date Approved by:
Checked by:
Note
Date:
Page:02 of 08
Speaker
BMS40-12-08H6.9 LF
DRG NO: BS/TES01.1256A
BMS40-12-08H6.9LF
Speaker
Mic Audio
Analyser
Power Amplifier
100cm
1
W
(2
.8
3
V
rm
s)
Anechoic chamber
王 平 22/04/13 A
李红元
王文邦
22/04/2013
王 平
1.Characteristics
1.1 Electrical and Mechanical Characteristics
No. Item Specification
1. Dimension
Ш40 Ч6.9 (mm)
2. AC Impedance 8 Ω ±15%(at 1KHz)
3. Rated Input Power 2.0W(4Vrms)
4. Maximum Input Power 3W(4.89Vrms)
5. Resonance Frequency 500Hz ±20%
6. Frequency Response 200~5KHz
7. S.P.L 83±2dB/1m/1W at1.0 KHz
8. THD
≤5% (at 1KHz/1W)
9. Buzzes & Rattles Must be normal at sine wave 4Vrms
10. Polarity Positive voltage to (+),Diaphragm moves forward
11. Operating Temperature -40~+ 85 °C
12. Storage Temperature -40~+ 85 °C
13. Weight ~9.2g
1.2 Test Method
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
A
c
ou
s
tics
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
www.bestargroups.com [email protected]
文件号：BS/QDTE045B