Page 1
SPECIFICATION
FOR DYNAMIC SPEAKER
Customer
Customer P/N
BeStar Model Name
Product No.
Issue No.
Issue Date
Approval:
1.Technical Terms
2.FrequencyResponse
3.Drawing
4. Reliability Test
5. Packing
6. History change record
Drawn by
Checked by
BLS50-1-08H18.2B-03 LF
120331
BS/TES01.938C
08/06/20
Approved by
Customer approved
汪凤声 王文邦
For conform to the European Union Directive on the Restriction of Hazardous Substances(RoHS), this type of
productions forbid use all the hazardous substances as follow:
Lead
Cadmium
Mercury
Hexavalent chromium
Polybrominated biphenyls (PBB)
Polybrominated diphenyl ethers (PBDE)
程久生
BESTAR ELECTRONICS INDUSTRY CO.,LTD
No.199 HuangHe West Road.New district,changzhou,
jiangsu Province,P.R.China
Tel:86-519-88222567 Fax:86-519-88222551
Http:www.be-star.com
E-mail: wu@be-star.com, info@be-star.com
Page 2
46 5 23 1
A
D
G
H
H
BLS50-1-08H18.2B-03 LF
1.Technical Terms
No. Item Specifications
G
F
E
1. Size
2. Impedance at 1KHz 8 ± 1.2
50*18.2mm
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
F
E
10. Connection terminals Soldertages(acc.DIN46244)
dimension 2.8*0.5mm
11. Operating temperature -40...+85
D
and shall not be used in whole or in part without its written content
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
B
12. Storage temperature -40...+ 85
2.FrequencyResponse
110
dBSPL
100
90
80
70
C
C
180
Deg
108
C
36
-36
-108
B
60
100 1K 10K 20K
08.06.20
C
08.05.08
B
08.04.11
A
A
Rev.
BESTAR ELECTRONICS INDUSTRY CO.,LTD
汪凤声
汪凤声
王 平
Drawn Date
Note
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
08.06.20
汪凤声
王文邦
程久生
Hz
BLS50-1-08H18.2B-03 LF
DRG NO: BS/TES01.938C
-180
Speaker
Page:1 of 5
Page 3
6 3
25 4 1
H
BLS50-1-08H18.2B-03 LF
H
3.Drawing
+0.1
20.8
-0.2
G
F
E
20+0.5
12± 0.2
+0.6
20.9
-0.3
Baffle Hole: 45
R1
±
0.15
Marking
G
F
E
2.5± 0.2
D
and shall not be used in whole or in part without its written content
17± 0.2
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
11.1± 0.4
0.45~0.475
A
7
°
(2x)
max
C
B
08.06.20
C
08.05.08
B
08.04.11
A
A
REV.
Date
BESTAR ELECTRONICS INDUSTRY CO.,LTD
6
汪凤声
汪凤声
王 平
Drawn
Note
5 4
Date:
Drawn by:
Checked by:
Approved by:
Ø46.4+0.4
Ø31.5-0.4
Ø45.6-0.4
Ø50± 0.2
2.8± 0.1
±
08.06.20
汪凤声
王文邦
程久生
www.be-star.com wu@be-star.com
3 2
9.5± 0.4
18.2± 0.5
A
2+0.4
5
°
(2
×
)
BLS50-1-08H18.2B-03 LF
DRG NO: BS/TES01.938C
1+0.1
2.8
Speaker
D
C
3.4± 0.1
B
A
Page:2 of 5
1
Page 4
56 4 23 1
H
BLS50-1-08H18.2B-03 LF
H
4. Reliability Test
G
1. Load test
Duration 96hrs
1W.white noise,temperature cycle -40...+85 ° C.with cycle duration
2. High temperature durability acc. to IEC 60068 part2-2
Temperature +85 ± 3° C
Duration 1000h
3. Low temperature durability acc. to IEC 60068 part 2-1
F
Temperature -40 ± 3° C
Duration 500h
4. Humidity durability acc.to IEC 60068 part2-3
Temperture 40 ± 3° C
Rel.humidity 93%RH
Duration 56days
E
5. Temperature cycle durability acc.to IEC60068 part2-14
Low Temperature -40 ± 3° C
Upper Temperature +85 ± 3° C
Transfer time from lower to upper temperature <10s
Number of cycles 100cycles
6. Shock test acc. to IEC 60068 part2-27
100g for each free mutually perpendicular directions to each of 3times by sine-wave
D
7. Vibration test acc. to IEC 60068 part 2 -6
sine-wave excitation; 8...300Hz,2g,1 octave/min; test time 16h each axis
Additional requirements:
and shall not be used in whole or in part without its written content
Test of solderability and resistance to soldering heat acc. to VDON4.3643.001
X-ray solderpoint inspection according to VDON 4.4814.001
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
Washability:not washable
Cadmium prohibited as per DIN 5.5000.1
G
F
E
D
C
C
After the test,all electronic and acoustic characteristic should be satisfied
with the specification. SPL: Deviation is of ± 2dB of initial value.
B
08.06.20
C
08.05.08
B
08.04.11
A
A
REV.
Date
BESTAR ELECTRONICS INDUSTRY CO.,LTD
6 5
汪凤声
汪凤声
王 平
Drawn
Date:
Drawn by:
Checked by:
Note Approved by:
www.be-star.com wu@be-star.com
4
08.06.20
汪凤声
王文邦
程久生
3 2
BLS50-1-08H18.2B-03 LF
Speaker
DRG NO: BS/TES01.938C
Page:3 of 5
1
B
A
Page 5
6 5
4 3 2 1
H
H
BLS50-1-08H18.2B-03 LF
5. Packing
G
F
20pcs
E
G
F
E
D
and shall not be used in whole or in part without its written content
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
Remark:
D
C
7pcs cardboard per carton,
NO:
SPEAKER:
140pcs per carton,
1pc cardboard 1pc clapboard,
2pcs covers percarton.
QUANTITY:
GR/NET WT: Kg
B
A
C
A
REV.
30.5X21X31 cm
08.06.20
08.05.08
08.04.11
Date
汪凤声
汪凤声
王 平
Drawn
Note
BESTAR ELECTRONICS INDUSTRY CO.,LTD
6 5
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
08.06.20
汪凤声B
王文邦
程久生
4 3
BLS50-1-08H18.2B-03 LF
Speaker
DRG NO: BS/TES01.938C
2 1
Page:4 of 5
B
A
Page 6
6 5
4 3 2 1
H
BLS50-1-08H18.2B-03 LF
6. History change record
G
version
No.
A
(1)the Hight:20mm,the Pin
thickness :0.5mm;
B
(2),PET membrance(0.5W Power)
F
E
C
PU&Paper membrance
( 1W Power)
Before
Change Items
After
(1)the Hight :17mm,the Pin
thickness :0.475mm;
(2),PU&Paper membrance( 1W
Power)
Cloth&Paper membrance
( 1W Power)
Date
08.04.11
08.05.08
08.06.20
王 平
汪凤声
汪凤声
ApprovedDrawn
程久生
程久生
程久生
H
G
F
E
D
and shall not be used in whole or in part without its written content
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
B
A
C
B
A
REV.
08.06.20
08.05.08
08.04.11
汪凤声
汪凤声
王 平
Drawn Date
Note
BESTAR ELECTRONICS INDUSTRY CO.,LTD
6 5
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4 3
08.06.20
汪凤声
王文邦
程久生
BLS50-1-08H18.2B-03 LF
Speaker
DRG NO: BS/TES01.938C
2 1
Page:5 of 5
D
C
B
A
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