Page 1
SPECIFICATION
BMS1511F-11C-08H2.5W LF
文件号：BS/QDTE045B
Page 2
APPROVAL SHEET
FOR SMARTPHONE SPEAKER
Customer
Date
Page
Table of Contents:
1.Test Climatic Condition
2.Description
TOTAL PAGE
10 Sep.2013
01 of 13
13
www.bestargroups.com
Model Name
Product No.Customer P/N
Issue No.
Issue Date
RoHS
BMS1511F-11C-08H2.5W LF
139761
BS/TES01.1288A
2013/09/10
3.Characteristics
4.Test Setup
5.Drawing
6.Reliability Test
7.Packing
8.History Change Record
Drawn by
Checked by
Approved by
Customer approved
Tel: +86 519 88222567 Fax: +86 519 88222551
No.199 HuangHe West Road.New district,ChangZhou,JiangSu Province,P.R.China
E-mail:wu@be-star.com http://www.bestargroups.com
文件号：BS/QDTE045B
Page 3
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BMS1511F-11C-08H2.5W LF
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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
12
G
G
No. Item Specification
1. Dimension 15 x11 x 2.5(mm)
F
2. AC Impedance 8Ω±20%(at 2KHz/1Vrms)
F
3. Rated Input Power 0.5W(2.0Vrms/in 1cc box)
4. Maximum Input Power 1.0W(2.83Vrms/in 1cc box)
5. Resonance Frequency 600Hz ±20% (in free airi)
6. Resonance Frequency 900Hz ±20 (in 1.0cc box)
E
E
7. Frequency Response F0~20KHz
8. S.P.L 92±3dB/0.1m/0.5W at800Hz-1.5KHz average
9. THD 10% (at 1.0~10KHz/0.5W) (in 1cc box)
10. Buzzes & Rattles Must be normal at sine wave 0.89Vrms (in free air)
D
/2.0Vrms(in 1.0cc box) from 200~3400Hz
D
11. Polarity Positive voltage to (+),Diaphragm moves forward
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.
12. Operating Temperature -20~+ 70°C
13. Storage Temperature -20~+ 70°C
14. Weight ~1.7g±0.3g
C
C
2.Description
2.1 Acoustic component Performance Specification
2.2 The present document specifies performance
requirements for the acoustic characteristics of speaker
B
3.Characteristics
3.1 Electrical and Mechanical Characteristics
Date:
A
A
Rev.
2013/09/10
Date
6
王凯
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45 3
2013/09/10
王凯
王凯
汪珍珍
BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
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A
文件号：BS/QDTE045B
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BMS1511F-11C-08H2.5W LF
H
4. Test Setup
4.1 Speaker Measurement Circuit
12
Power Amplifier
G
10cm
G
Mic
0.5W(2Vrms)
F
Speaker
Baffle
Audio
F
Analyser
Anechoic chamber
E
E
4.2 Baffle Drawing
unit:cm
tolerance:±2
D
D
and shall not be used in whole or in part without its written content
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.
This print and information there in are proprietary to Bestar Acoustics Co., Ltd.
4.3 Test Method
C
The speaker shall be mounted in a
baffle of the dimensions 80X100cm show
C
figure 4.2,
The measuring free-field microphone
shall be placed 10cm from DUT,on axis.
The test voltage is 0.5W and swept
sine-wave range is 100Hz~20KHz with a
R80 of test sequence
B
Date:
A
A
Rev.
2013/09/10
Date
王凯
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6
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2013/09/10
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BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
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4.4 Frequency Response Curve (only for reference)
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
12
G
F
G
F
Sound Pressure Level (dB)
E
D
E
D
Frequency (Hz)
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.
4.4.1 Sensitivity
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.
C
B
A
2013/09/10
A
Rev.
Date
6
This test is performed on the production line by 100%.
2013/09/10
王凯
王凯
汪珍珍
王凯
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Date:
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BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
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4.5 Total Harmonic Distortion (only for reference)
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
12
G
F
G
F
THD (%)
E
D
E
D
Frequency (Hz)
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.
4.5.1 THD
THD is measured according test set up in chapter 4.1 and parameters
according chapter 4.5
C
B
A
2013/09/10
A
Rev.
Date
6
This test is performed on the production line by 100%.
2013/09/10
王凯
王凯
汪珍珍
王凯
Drawn
Note
Date:
Drawn by:
Checked by:
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BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
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4.6 F0 Curve (only for reference)
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct
12
G
F
G
F
(ohm)
E
D
E
D
Frequency (Hz)
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.
4.6.1 Resonance Frequency
C
B
A
2013/09/10
A
Rev.
and parameters according chapter 4.6
Date
6
文件号：BS/QDTE045B
Resonance frequency is measured according test set up in chapter 4.1
This test is performed on the production line by 100%.
2013/09/10
王凯
王凯
汪珍珍
BMS1511F-11C-08H2.5W LF
DRG NO: BS/TES01.1288A
王凯
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45 3
C
B
A
Speaker
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BMS1511F-11C-08H2.5W LF
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4.7 R&B Curve (only for reference)
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct
10
G
F
(%)
9
8
7
6
5
4
3
2
1
12
G
F
E
0
100 1000 10000 100000
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 on the production line by 100%.
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
D
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B
A
2013/09/10
A
Rev.
Date
6
文件号：BS/QDTE045B
王凯
Drawn
Note
Date:
Drawn by:
Checked by:
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2013/09/10
汪珍珍
45 3
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BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
Page:08 of 13
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Page 9
Welding position
Page 10
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12
1
7
G
F
E
D
No
1
2
3
4
4
2
Description of the part
Front Cover
Diaphragm
Polarpiece
VC
6
3
5
Material
PPA+SUS
PEEK+PEN+FPC
Φ0.07
SPCC
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
A
2013/09/10
A
Rev.
Date
6
文件号：BS/QDTE045B
王凯
Drawn
5
6
7
Note
Magnet
Under Yoke
Frame
Date:
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45 3
Nd-Fe-B
SPCC
PPA
2013/09/10
王凯
王凯
汪珍珍
BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
Page:10 of 13
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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
T(°C)
transition time:20-30s
E
+85
+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 Acoustics Co., Ltd.
6.6 Drop Test
C
Height 1.0m
Drop face thick ness wooden board (20mm)
30 30
1 cycles
C
Times 10
(three times in each direction )
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 2~5KHz shall be within ±3dB from initial value after test.
A
2013/09/10
A
Rev.
文件号：BS/QDTE045B
Date
6
王凯
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Date:
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2013/09/10
汪珍珍
王凯
王凯
BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
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BMS1511F-11C-08H2.5W LF
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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
B
N.W.
G.W.
SIZE
35×27×30cm
PCS
Remark:
150 pcs per carton
C
B
20 carton per box
Total 3000pcs per box
Size: 35×27×30(cm)
Date:
A
2013/09/10
A
Rev.
Date
王凯
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6
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2013/09/10
王凯
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汪珍珍
BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
Page:12 of 13
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8. History Change Record
12
version
No.
A
G
F
E
Before After
Change Items
Date
2013/09/10
Drawn Approved
王凯
汪珍珍
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
2013/09/10
A
Rev.
Date
王凯
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6
Drawn by:
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2013/09/10
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BMS1511F-11C-08H2.5W LF
Speaker
DRG NO: BS/TES01.1288A
Page:13 of 13
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A
文件号：BS/QDTE045B
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