Page 1
APPROVAL SHEET
FOR SMARTPHONE SPEAKER
Customer
Date
Page
Table of Contents:
1.Test Climatic Condition
TOTAL PAGE
28 Feb.2013
01 of 13
13
Model Name
Product No.Customer P/N
Issue No.
Issue Date
www.be-star.com
RoHS
BMS1511F-BOX
139705
BS/TES01.1150A
28/02/2013
2.Description
3.Characteristics
4.Test Setup
5.Drawing
6.Reliability Test
7.Packing
8.History Change Record
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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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BMS1511F-BOX
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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
B
Date:
A
A
Rev.
2013/02/28
Date
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汪珍珍
BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
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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
1
12
G
G
2.Description
2.1 Acoustic component Performance Specification
2.2 The present document specifies performance
requirements for the acoustic characteristics of speaker
F
3.Characteristics
3.1 Electrical and Mechanical Characteristics
No. Item Specification
E
1. Dimension 15 x11 x 3.5(mm)(unit)
2. AC Impedance 8Ω±15%(at 2KHz/1V)
3. Rated Input Power 0.5W(2.0Vrms/in 1cc box)
4. Maximum Input Power 0.7W(2.37Vrms/in 1cc box)
5. Response Frequency 750Hz ±20%
D
6. Frequency Response F0~20KHz
and shall not be used in whole or in part without its written content
7. S.P.L 85±3dB/0.1m/0.5W at 2KHz
8. THD ≤10% (at 1.0~10KHz/0.1W)
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
9. Buzzes & Rattles Must be normal at sine wave 0.5W sweep from
F
E
D
C
300~10KHz
10. Polarity Positive voltage to (+),Diaphragm moves forward
C
11. Operating Temperature -20~+ 70°C
12. Storage Temperature -20~+ 70°C
13. Weight ~3g±0.3g
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Date:
A
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Rev.
2013/02/28
Date
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
Page:03 of 13
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4. Test Setup
4.1 Speaker Measurement Circuit
12
Power Amplifier
G
10cm
G
Mic
0.5W(2V)
F
Speaker
Baffle
Audio
F
Analyser
Anechoic chamber
E
4.2 Baffle Drawing
E
unit:cm
tolerance:±2
D
D
4.3 Test Method
and shall not be used in whole or in part without its written content
The speaker shall be mounted in a
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
baffle of the dimensions 80X100cm show
figure 4.2,
The measuring free-field microphone
C
shall be placed 10cm from DUT,on axis.
C
The test voltage is 1mW and swept
sine-wave range is 200Hz~20KHz with a
R80 of test sequence
B
Date:
A
A
Rev.
2013/02/28
Date
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
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4.4 Frequency Response Curve (only for reference)
12
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
G
G
100
120
F
80
F
60
Sound Pressure Level (dB)
E
E
40
100
4.4.1 Sensitivity
D
and shall not be used in whole or in part without its written content
SPL is expressed in dB rel 20 μPa,computed according to IEC 268-5.
Measurement set up according chapter 4.1 and parameters according
chapter 4.4.
This test is performed for 100% of products in the production line.
1K 2K
5K 10K 20K
Frequency (Hz)
Frequency (Hz)
D
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
B
Date:
A
A
Rev.
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
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4.5 Total Harmonic Distortion (only for reference)
60
12
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
G
G
45
30
THD (%)
F
F
15
0
E
100
1K 2K
5K
10K 20K
E
Frequency (Hz)
4.5.1 THD
THD is measured according test set up in chapter 4.1 and parameters
D
according chapter 4.5
This test is performed for 100% of products in production line
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
A
Rev.
2013/02/28
Date
任江凤
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6
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
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4.6 F0 Curve (only for reference)
10
12
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct
G
G
9
8
F
(ohm)
F
7
E
6
100
1K 2K 5K 10K 20K
E
Frequency (Hz)
D
and shall not be used in whole or in part without its written content
4.6.1 Resonance Frequency
D
Resonance frequency is measured according test set up in chapter 4.1
and parameters according chapter 4.6
This test is performed for 100% of products in the production line
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
B
Date:
A
A
Rev.
2013/02/28
Date
任江凤
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6
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汪珍珍
BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
Page:07 of 13
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A
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4.7 R&B Curve (only for reference)
4.0
12
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct
G
G
3.0
2.0
(%)
F
F
1.0
0
E
100
1K 2K
5K
10K
E
Frequency (Hz)
4.7.1 R&B
D
R&B is measured according test set up in chapter 4.1 and parameters
according chapter 4.7
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
D
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
B
Date:
A
A
Rev.
2013/02/28
Date
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
Page:08 of 13
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5. Drawing
12
52.5
51.8
13.07
G
9.88
19.4
F
2
E
5.65
7.02
4.37
27.7
5.9
7.27
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
D
C
B
unit:mm
tolerance:±0.2
Date:
A
A
Rev.
2013/02/28
Date
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
A
Page:09 of 13
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5.1 Permited Force to Speaker
12
Diaphragm
G
F
F3:on back
of yoke
G
F
Max Permited Comperssion Force
E
D
No
1
2
3
From
F1
F2
F3
To
F3
F1
Max Force
10N
0
10N
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.
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2
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2013/02/28
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Description of the part
1
2
3
Frame
Yoke
Magnet
4
5
6
Diaphragm
7
DRG NO: BS/TES01.1150A
Plate
Coil
Grill
BMS1511F-BOX
Speaker
2 1
C
B
A
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6. Reliability Test
6.1 Load Test
Power (Nom) 0.5W(in Pink noise in 1cc box)
Duration 96hrs
G
F
6.2 High Temperature Test
Temperature +70±3°C
Duration 96hrs
6.3 Low Temperature Test
Temperature -20±3°C
Duration 96hrs
6.4 Damp Heat
Temperature 40±3°C
Relative Humidity 90%-95%RH
Duration 96hrs
6.5 Temperature Cycle Test
Cycles 10
12
G
F
E
E
transition time:20-30s
+70
+25
-40
D
D
t (min)
30
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.
6.6 Drop Test
C
Height 1.0m
Drop face thick board (20mm)
Times 10 (three times in
30 30
1 cycles
C
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 0.8~1.5KHz shall be within ±3dB from initial value after test.
Date:
A
A
Rev.
2013/02/28
Date
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
A
Page:11 of 13
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7. Packing
TBD
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
B
Date:
A
A
Rev.
2013/02/28
Date
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
Page:12 of 13
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8. History Change Record
12
version
No.
A
G
F
E
Before After
Change Items
Date
13/02/28
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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
A
Rev.
2013/02/28
Date
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BMS1511F-BOX
Speaker
DRG NO: BS/TES01.1150A
2 1
Page:13 of 13
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B
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