Page 1
APPROVAL SHEET
FOR SMARTPHONE SPEAKER
Customer
Date
Page
Table of Contents:
08 May. 2012
01 of 11
11TOTAL PAGE
Model Name
Product No.Customer P/N
Issue No.
Issue Date
www.be-star.com
RoHS
BMS2014F-11C-08H03P LF
139740
BS/TES01.1133A
2012/05/08
1.Test Climatic Condition
2.Description
3.Characteristics
4.Test Setup
5.Drawing
6.Reliability Test
7.Packing
8.History Change Record
Drawn by
Checked by
Approved by
Customer approved
BESTAR ACOUSTICS 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
BMS2014F-11C-08H03P LF
H
1.Test Climatic Condition
1.1 Ambient Temperature :15°C~35°C,Preferably at 20°C
1.2 Relative Humidity:25% to 75%
1.3 Air Pressure:86kPa~106kPa
45
3
12
G
2.Description
G
2.1 Acoustic component Performance Specification
2.2 The present document specifies performance
requirements for the acoustic characteristics of speaker
3.Characteristics
F
3.1 Electrical and Mechanical Characteristics
No. Item Specification
1. Dimension 20 x14 x 3.0(mm)
2. DC Resistance 7.8Ω±10%
E
3. AC Impedance 8Ω±15%(at 2KHz/1Vrms)
4. Rated Power 0.7W(2.37Vrms/ in 1.5cc box)
5. Maximum Power 1.0W(2.83Vrms/ in 1.5cc box)
6. Resonance Frequency 380Hz ± 20% (in free air)
D
7. Resonance Frequency 850Hz ± 20% (in 1.5cc box)
8. Frequency Response F0~20KHz
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 Acoustics Co., Ltd.
9. S.P.L 83.5±3dB/0.1m/0.1W at F0~5.0KHz average
10. THD ≤30% at 300-1KHz/0.1W;≤5% at 1K-10KHz(0.1W)
11. Buzzes & Rattles Must be normal at sine wave 0.89Vrms (in free air)
C
/2.37Vrms(in 1.5cc box) from 200~10KHz
C
12. Polarity Positive voltage to (+),Diaphragm moves forward
13. Operating Temperature -20~+ 70°C
14. Storage Temperature -40~+ 85°C
15. Weight ~2.4g±0.2g
B
Date:
A
A
Rev.
2012/05/08
Date
6
王文邦
Drawn
Note
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/05/08
王文邦
王 平
李红元
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
Page:02 of 11
B
A
Page 3
6 45 3
BMS2014F-11C-08H03P LF
H
4. Test Setup
4.1 Speaker Measurement Circuit
12
G
Power Amplifier
G
10cm
Mic
F
0.1W(0.89Vrms)
Speaker
Baffle
Audio
F
Analyser
E
Anechoic chamber
E
4.2 Baffle Drawing
unit:cm
tolerance:±2
D
D
4.3 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 Acoustics Co., Ltd.
The speaker shall be mounted in a
baffle of the dimensions 80X100cm show
figure 4.2,
The measuring free-field microphone
C
shall be placed 10cm from DUT,on axis.
The test voltage is 0.1W and swept
C
sine-wave range is 200Hz~20KHz with a
R80 of test sequence
B
Date:
A
A
Rev.
2012/05/08
Date
王文邦
Drawn
Note
6
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/05/08
王文邦
王 平
李红元
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
Page:03 of 11
B
A
Page 4
6 45 3
BMS2014F-11C-08H03P LF
H
4.4 Frequency Response Curve (only for reference)
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct
100
2
1
G
G
90
80
F
F
70
Sound Pressure Level (dB)
E
60
100
1K 2K
5K 10K 20K
E
Frequency (Hz)
4.4.1 Sensitivity
SPL is expressed in dB rel 20μPa,computed according to IEC 268-5.
D
Measurement set up according chapter 4.1 and parameters according
D
chapter 4.4.
This test is performed for 100% of products in the production line.
and shall not be used in whole or in part without its written content
This print and information there in are proprietary to Bestar Acoustics Co., Ltd.
C
B
Date:
A
A
Rev.
2012/05/08
Date
王文邦
Drawn
Note
6
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45
2012/05/08
王文邦
王 平
李红元
3
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
Page:04 of 11
C
B
A
Page 5
6 45 3
BMS2014F-11C-08H03P LF
H
4.5 Total Harmonic Distortion (only for reference)
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
20
12
G
G
15
10
F
THD (%)
F
5
E
0
100
E
1K 2K 5K 10K 20K
Frequency (Hz)
4.5.1 THD
THD is measured according test set up in chapter 4.1 and parameters
D
according chapter 4.5
D
This test is performed for 100% of products in production line
and shall not be used in whole or in part without its written content
This print and information there in are proprietary to Bestar Acoustics Co., Ltd.
C
B
Date:
A
A
Rev.
2012/05/08
Date
王文邦
Drawn
Note
6
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/05/08
王文邦
王 平
李红元
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
Page:05 of 11
C
B
A
Page 6
6 45 3
BMS2014F-11C-08H03P LF
H
4.6 F0 Curve (only for reference)
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct
16
12
G
G
12
8
F
(ohm)
F
4
E
0
100
1K 2K
5K
10K 20K
E
Frequency (Hz)
4.6.1 Resonance Frequency
Resonance frequency is measured according test set up in chapter 4.1
D
and parameters according chapter 4.6
D
This test is performed for 100% of products in the production line
and shall not be used in whole or in part without its written content
This print and information there in are proprietary to Bestar Acoustics Co., Ltd.
C
B
Date:
A
A
Rev.
2012/05/08
Date
王文邦
Drawn
Note
6
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45
2012/05/08
王文邦
王 平
李红元
3
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
Page:06 of 11
C
B
A
Page 7
6
BMS2014F-11C-08H03P LF
H
4.7 R&B Curve (only for reference)
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct
4.0
45
3
12
G
G
3.0
2.0
F
(%)
F
1.0
E
0
100
E
1K 2K 5K 10K 20K
Frequency (Hz)
4.7.1 R&B
R&B is measured according test set up in chapter 4.1 and parameters
D
according chapter 4.7
D
This test is performed for 100% of products in production line
and shall not be used in whole or in part without its written content
This print and information there in are proprietary to Bestar Acoustics Co., Ltd.
C
B
Date:
A
A
Rev.
2012/05/08
Date
王文邦
Drawn
Note
6
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/05/08
王文邦
王 平
李红元
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
Page:07 of 11
C
B
A
Page 8
6 45 3
BMS2014F-11C-08H03P LF
H
5. Drawing
12
Spring touch area
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 Acoustics Co., Ltd.
C
B
C
B
Diaphragm
unit:mm
tolerance:±0.2
Date:
A
A
Rev.
2012/05/08
Date
王文邦
Drawn
Note
6
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/05/08
王文邦
王 平
李红元
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
A
Page:08 of 11
Page 9
6 45 3
BMS2014F-11C-08H03P LF
H
6. Reliability Test
6.1 Load Test
Power (Nom) 0.7W(sine wave/in 1.5cc box)
Duration 96hrs
2
1
G
Temperature +85±3°C
G
Duration 96hrs
6.3 Low Temperature Test
Temperature -40±3°C
Duration 96hrs
6.4 Damp Heat
6.2 High Temperature Test
F
Temperature 40±3°C
F
Relative Humidity 90%-95%RH
Duration 96hrs
6.5 Temperature Cycle Test
Cycles 10
E
T(°C)
transition time:20-30s
E
+85
+25
-40
D
30
30 30
t (min)
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 Acoustics Co., Ltd.
1 cycles
6.6 Drop Test
C
Height 1.0m
Drop face thick board (20mm)
C
Times 10 (three times in
each durection )
Notice:
1.Immediately after reliability test,the samples shall be stored under climatic conditions
such as normally exist in ordinary rooms or laboratories.Unless otherwise noted,the
B
recovery period shall be 4hrs at least before performance testing.
2. After reliability test ,all samples must be meet the requirements specified
B
3.Sensitivity difference at F0~5.0KHz shall be within ±3dB from initial value after test.
Date:
A
A
Rev.
2012/05/08
Date
6
王文邦
Drawn
Note
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/05/08
王文邦
王 平
李红元
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
A
Page:09 of 11
Page 10
6 45 3
BMS2014F-11C-08H03P LF
H
7. Packing
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 Acoustics 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: 46×28×28(cm)
Date:
A
A
Rev.
2012/05/08
Date
王文邦
Drawn
Note
6
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/05/08
王文邦
王 平
李红元
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
A
Page:10 of 11
Page 11
6 45 3
BMS2014F-11C-08H03P LF
H
8. History Change Record
12
version
No.
A
G
F
E
Before After
Change Items
Date
2012/05/08
Drawn
王文邦
Approved
李红元
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 Acoustics Co., Ltd.
C
B
Date:
A
A
Rev.
2012/05/08
Date
王文邦
Drawn
Note
6
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/05/08
王文邦
王 平
李红元
BMS2014F-11C-08H03P LF
Speaker
DRG NO: BS/TES01.1133A
2 1
Page:11 of 11
D
C
B
A
Loading...