Page 1
FOR DYNAMIC SPEAKER
Customer
Customer P/N
SPECIFICATION
BeStar Model Name
Product No.
Issue No.
BS/TES01.901A
Issue Date
BMS20-11C-08H4.5RW020 LF
130809
08/01/16
Approval:
1.Characteristics
2.Drawing
3.Reliability Test
4.Packing
5.History Change Record
Drawn by
Checked by
Approved by
Customer approved
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)
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
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6 5 4 3 2 1
BMS20-11C-08H4.5RW020 LF
1. Characteristics
1.1 Electrical and Mechanical Characteristics
No. Item Specification
G
F
E
1. Dimension Ø20x4.5 (mm)
2. AC Impedance 8Ω± 15% at 2KHz
3. Rated Input Power 0.8W
4. Maximum Input Power 1.2W
5. Resonance Frequency 800Hz ± 20%
6. Frequency Response F0~10KHz
7. S.P.L 88± 3dB/0.1W /0.1m at 1.0KHz (0dB SPL=20μPa)
8. T.H.D ≤15% (0.1W,at 1KHz)
9. Buzzes & Rattles Must be normal at sine wave 2.53Vrms
10. Operating Temperature -20~+ 60° C
HH
G
F
E
11. Storage Temperature -30~+ 70° C
12. Polarity Positive voltage to (+),Diaphragm moves forward
D
1.2 Test Method
D
Power Amplifier
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.
10cm
C
C
0.89Vrms(sine wave)
Speaker
B
Microphone
Audio
Analyser
B
Digital Audio Analysis System
Date:
Drawn by:
A
Rev.
08/01/16A
Date
6
王文邦
Drawn
5 4
Note
Checked by:
Approved by:
www.be-star.com wu@be-star.com
08/01/16
王文邦
李红元
程久生
3 2
BMS20-11C-08H4.5RW020 LF
Speaker
DRG NO: BS/TES01.901A
Page:1 of 5
1
A
Page 3
46 5 3 2 1
BMS20-11C-08H4.5RW020 LF
1.3 Frequency Response Curve
100
Sound Pressure Level (dB)
90
80
70
60
200
G
F
E
1K 2K
5K
10K 20K
Frequency (Hz)
HH
G
F
E
2. Drawing
Unit:mm
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
RED
B
BLACK
UL1571
AWG32#
D
C
B
Date:
Drawn by:
A
Rev.
08/01/16A
6
王文邦
Drawn Date
Note
5
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
08/01/16
王文邦
李红元
程久生
3
BMS20-11C-08H4.5RW020 LF
Speaker
DRG NO: BS/TES01.901A
Page:2 of 5
2 1
A
Page 4
46 5 3 2 1
Vibration 6.7Hz/min
BMS20-11C-08H4.5RW020 LF
3. Reliability Test
3.1 Load Test
Power (Nom) 2.53Vrms(white noise)
Duration 96hrs
G
F
E
3.2 High Temperature Test
Temperature +60± 2° C
Duration 48hrs
3.3 Low Temperature Test
Temperature -40± 2° C
Duration 48hrs
3.4 Damp Heat
Temperature 40± 2° C
Relative Humidity 90%-95%RH
Duration 24hrs
3.5 Temperature Cycle Test
Temperature -40° C +60° C
Duration 30min 30min
Cycles 48
HH
G
F
E
3.6 Vibration Test
Amplitude 2mm
Duration 30 minin each of 3 axes
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
3.7 Drop Test
Height 1m
Drop face thick board (20mm)
Times 10
D
C
Notice:
1.All these tests above should be measured after leaving normal temperature
for 2hrs.
2.Sensitivity difference at 1.0KHz average shall be within ± 2dB from initial
value after test.
B
B
Date:
Drawn by:
A
Rev.
08/01/16A
6
王文邦
Drawn Date
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
08/01/16
王文邦
李红元
程久生
3
BMS20-11C-08H4.5RW020 LF
Speaker
DRG NO: BS/TES01.901A
2 1
A
Page:3 of 5
Page 5
36 5 4 2 1
BMS20-11C-08H4.5RW020 LF
4. Packing
G
F
E
HH
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.
SIZE
B
PCS
46×28×28cm
Remark:
50 pcs per tray
10 trays for unit
500 pcs per carton
D
C
B
4 carton per box
Total 2000pcs per box
Size: 46×28×24(cm)
Date:
Drawn by:
王文邦
Note
Rev.
08/01/16A
Date Drawn
A
6 5
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
08/01/16
王文邦
李红元
程久生
3
BMS20-11C-08H4.5RW020 LF
Speaker
DRG NO: BS/TES01.901A
Page:4 of 5
2 1
A
Page 6
6 45 3 12
BMS20-11C-08H4.5RW020 LF
H
5. History Change Record
H
version
No.
G
F
E
A
Before After
Change Items
Date
08/01/16
Drawn
王文邦
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:
Drawn by:
A
Rev.
08/01/16A
6
王文邦
Drawn Date
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
08/01/16
王文邦
李红元
程久生
3 1
BMS20-11C-08H4.5RW020 LF
Speaker
DRG NO: BS/TES01.901A
2
Page:5 of 5
D
C
B
A
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