Page 1
博 士 達
SPECIFICATION
FOR DYNAMIC SPEAKER
06TOTAL PAGE
www.be-star.com
RoHS
Customer
Date
Page
05 Dec. 09
01 of 06
Approval：
1.Characteristics
2.Drawing
3.Reliability Test
4.Packing
5.History Change Record
Model Name
Product No.Customer P/N
Issue No.
Issue Date
BMS28-12B-32H07W102 LF
131417
BS/TES01.721B
09/10/05
Drawn by
Checked by
Approved by
Customer approved
张小红 王文邦 李红元
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
Page 2
6 45 3
BMS28-12B-32H07W102 LF
H
1. Characteristics
1.1 Electrical and Mechanical Characteristics
No. Item Specification
博 士 達
12
G
1. Impedance(at 2.0kHz) 32 15%Ω
G
2. Rated Input Power 0.5W
3. Maximum Input Power 1.0W
4. Resonance Frequency 650 20%Hz
5. Frequency Response F0 ～6KHz
F
6. Output SPL 94 3dB/0.1W 0.1m at0.8,1.0,1.2,1.5KHz average
F
7. Distortionat (2kHz,0.5W) ≤5%
8. Buzzes & Rattles Must be normal at sine wave 4V
9. Polarity A positive DC current is applied to the terminal marked +
E
10. Magnet NdFeB Ø 12.5X1.8mm
E
11. Operating Temperature -20 ～+60 C
12. Storage Temperature -20 ～+60 C
1.2. Frequency Response Curve
D
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12 oct
D
110
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
100
90
C
80
Sound Pressure Level (dB)
B
70
100
1K 2K
5K 10K 20K
B
Frequency (Hz)
Date:
A
Rev.
09/10/05B
06/12/09A
Date
6
张小红
朱成兴
Drawn
Note
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
09/10/05
张小红
王文邦
李红元
BMS28-12B-32H07W102 LF
Speaker
DRG NO: BS/TES01.721B
2 1
A
Page:02 of 06
Page 3
6 45 3
BMS28-12B-32H07W102 LF
H
2. Dimension
G
博 士 達
12
Red
G
≈≈≈≈
Black
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
F
E
D
C
diaphragm
CONTACTOR:50058-8000 MOLEX
HOUSING:51021-0200 MOLEX
WIRE:UL1571 AWG28# RED/BLACK
B
Unit:mm
Date:
A
Rev.
09/10/05B
06/12/09A
Date
6
张小红
朱成兴
Drawn
Note
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
09/10/05
张小红
王文邦
李红元
BMS28-12B-32H07W102 LF
Speaker
DRG NO: BS/TES01.721B
2 1
Page:03 of 06
B
A
Page 4
6 45 3
BMS28-12B-32H07W102 LF
H
3. Reliability Test
3.1 Load Test
Power 0.5W
Duration 96hrs
博 士 達
12
G
3.2 High Temperature Test
G
Temperature +60± 2℃
Duration 96hrs
3.3 Low Temperature Test
Temperature -25 ± 3℃
Duration 96hrs
F
3.4 Damp Heat
F
Temperature 40± 3℃
Relative Humidity 90%-95%RH
Duration 96hrs
3.5 Temperature Cycle Test
Cycle 4
E
+60
-25
D
3.6 Drop Test
-25
0.5hrs0.5hrs0.5hrs
E
D
Height 160cm (in state of packing)
Times 10 (Drop onto hardwood board)
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
All these tests above should be measured after leaving normal temperature for 1hrs.
C
sensitivity difference at 1kHz shall be within ± 3dB from initial value after test.
B
Date:
A
Rev.
09/10/05B
06/12/09A
Date
6
张小红
朱成兴
Drawn
Note
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
09/10/05
张小红
王文邦
李红元
BMS28-12B-32H07W102 LF
Speaker
DRG NO: BS/TES01.721B
2 1
Page:04 of 06
B
A
Page 5
6 45 3
BMS28-12B-32H07W102 LF
H
4. Packing
博 士 達
12
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
C
Remark:
200 pcs per box
10 units per box
B
Total 2000pcs per carton
Size: 37×28×47(cm)
A
Rev.
09/10/05B
06/12/09A
Date
6
张小红
朱成兴
Drawn
Note
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
09/10/05
张小红
王文邦
李红元
45 3
BMS28-12B-32H07W102 LF
Speaker
DRG NO: BS/TES01.721B
2 1
Page:05 of 06
B
A
Page 6
6 45 3
BMS28-12B-32H07W102 LF
H
5. History change record
博 士 達
12
version
No.
G
F
E
A
B
Before
wire length=38mm wire length=102mm
Change Items
After
Date
06/12/09
09/10/05
Drawn
朱成兴
张小红 李红元
Approved
程久生
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:
A
Rev.
09/10/05B
06/12/09
A
Date
6
张小红
朱成兴
Drawn
Note
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
09/10/05
张小红
王文邦
李红元
BMS28-12B-32H07W102 LF
Speaker
DRG NO: BS/TES01.721B
2 1
Page:06 of 06
D
C
B
A
Loading...