Page 1
SPECIFICATION
FOR DYNAMIC SPEAKER
博 士 達
Customer
Date
Page
Approval:
1.Description
2.Characteristics
3.Drawing
4.Reliability Test
5.Packing
6.History Change Record
06TOTAL PAGE
05 May. 06
BS/TES01.596A
01 of 06
www.be-star.com
Model Name
Product No. Customer P/N
Issue No.
Issue Date
BLS1425-11-08H05 LF
127802
06/05/05
RoHS
Drawn by
Checked by
Approved by
Customer approved
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
E-mail:wu@be-star.com http://www.be-star.com
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BLS1425-11-08H05 LF
博 士 達
1.Description
HH
1.1 Acoustic component Performance Specification
1.2 The present document specifies performance requirements
for the acoustic characteristics of speaker
2. Characteristics
2.1 Electrical and Mechanical Characteristics
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No. Item Specification
1. Dimension 25 x 14 x 5 (mm)
2. AC Impedance 8 Ω± 15% at 1.5KHz
3. Rated Input Power 1.0W
4. Maximum Input Power 1.5W
5. Resonance Frequency 700Hz ± 20%
6. Frequency Response F0~20KHz
7. S.P.L 81± 3dB/1W /0.5m at 0.8,1.0,1.2,1.5KHz average
8. T.H.D ≤ 5% at 0.1W/1KHz
9. Buzzes & Rattles Must be normal at sine wave 2.83Vrms
10. Polarity Positive voltage to (+),Diaphragm moves forward
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F
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11. Operating Temperature -20~+ 65 ° C
12. Storage Temperature -20~+ 70 ° C
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13. Weight ~2.1g
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2.2 Test Method
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
Power Amplifier
C
50cm
1W(2.83Vrms)
B
Speaker
Mic
Audio
Analyser
B
Anechoic chamber
Date:
Drawn by:
Rev.
06/05/05A
Date
A
6
朱成兴
Drawn
Note
5 4
Checked by:
Approved by:
www.be-star.com wu@be-star.com
06/05/05
朱成兴
王善梅
程久生
3 2
BLS1425-11-08H05 LF
Speaker
DRG NO: BS/TES01.596A
A
Page:02 of 06
1
Page 3
BLS1425-11-08H05 LF
2.3 Frequency Response Curve (only for reference)
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
100
dB
G
90
80
博 士 達
46 5 3 2 1
HH
G
F
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70
60
Sound Pressure Level (dB)
50
100
1k
10k7k2k 5k
F
E
Frequency (Hz)
3.Drawing
unit:mm
tolerance:± 0.2
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
D
C
B
B
DIAPHRAGM
Date:
Drawn by:
A
06/05/05A
Rev.
6
朱成兴
Drawn Date
Note
5
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
06/05/05
朱成兴
王善梅
程久生
3
BLS1425-11-08H05 LF
Speaker
DRG NO: BS/TES01.596A
2 1
A
Page:03 of 06
Page 4
BLS1425-11-08H05 LF
4.Reliability Test
4.1 Load Test
Power (Nom) 1W(sine wave)
Duration 96hrs
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F
4.2 High Temperature Test
Temperature +70± 2° C
Duration 96hrs
4.3 Low Temperature Test
Temperature -20 ± 2° C
Duration 96hrs
4.4 Damp Heat
Temperature 40± 2° C
Relative Humidity 90%-95%RH
Duration 96hrs
博 士 達
46 5 3 2 1
HH
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F
4.5 Temperature Cycle Test
Cycles 6
E
Temoerature -20 ° C± 2° C +70° C± 2° C
E
Duration 1hr 30min 1hr
4.6 Drop Test
Height 1.0m
Drop face thick board (20mm)
Times 10
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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
D
C
Notice:
1.All these tests above should be measured after leaving normal temperature
for 2hrs.
2.Sensitivity difference at 0.8-1.5KHz shall be within ± 3dB from initial value
after test.
B
Date:
Drawn by:
A
06/05/05A
Rev.
6
朱成兴
Drawn Date
Note
5
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
06/05/05
朱成兴
王善梅
程久生
3
BLS1235-1-04H05 LFBLS1425-11-08H05 LF
Speaker
DRG NO: BS/TES01.596A
2 1
Page:04 of 06
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A
Page 5
BLS1425-11-08H05 LF
5. Packing
博 士 達
36 5 4 2 1
HH
G
F
E
D
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
P/O NO.
MODEL
O’TY
N.W.
G.W.
B
PCS
46×28×24cmSIZE
Remark:
50 pcs per tray
10 trays for unit
500 pcs per carton
C
B
4 carton per box
Total 2000pcs per box
Size: 46×28×24(cm)
Date:
Drawn by:
Rev.
06/05/05A
Date Drawn
A
朱成兴
Note
6 5
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
06/05/05
朱成兴
王善梅
程久生
3
BLS1425-11-08H05 LF
Speaker
DRG NO: BS/TES01.596A
2 1
A
Page:05 of 06
Page 6
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BLS1425-11-08H05 LF
博 士 達
H
6. History Change Record
version
No.
G
F
E
A
Before After
Change Items
Date
06/05/05
Drawn
朱成兴 程久生
Approved
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
Date:
Drawn by:
A
06/05/05A
Rev.
6
朱成兴
Drawn Date
Note
5
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
06/05/05
朱成兴
王善梅
程久生
3 1
BLS1425-11-08H05 LF
Speaker
DRG NO: BS/TES01.596A
2
Page:06 of 06
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