Page 1
Acoustics & Sensor
SPECIFICATION
FOR DYNAMIC SPEAKER
06TOTAL PAGE
www.be-star.com
Preliminary Specification For The Acoustic
Characteristics of Dynamic Speaker
Customer
Date
Page
Approval:
1.Description
2.Characteristics
3.Drawing
4.Reliability Test
5.Packing
6.History Change Record
Model Name
Product No.Customer P/N
28 Dec.2010
BS/TES01.1086A
01 of 06
Issue No.
Issue Date
BLS1530-11-08H3.5 LF
127808
2010/12/28
RoHS
Drawn by
Checked by
Approved by
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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BLS1530-11-08H3.5 LF
Acoustics & Sensor
1.Description
HH
1.1 Acoustic component Performance Specification
1.2 The present document specifies performance requirements
for the acoustic characteristics of speaker
2. Characteristics
2.1 Electrical and Mechanical Characteristics
G
No. Item Specification
1. Dimension 15 x 30 x 3.5 (mm)
2. AC Impedance 8Ω±15% at 2.0KHz
3. Rated Input Power 1.0W
F
4. Maximum Input Power 1.5W
5. Resonance Frequency 800Hz ±20%
6. Frequency Response F0~20KHz
7. S.P.L 85±3dB/0.1W /0.1m at 0.8,1.0,1.5,2.0KHz average
8. T.H.D ≤5% at 0.1m/0.1W from 1.0~10KHz
E
9. Buzzes & Rattles Must be normal at sine wave 2.83Vrms
10. Polarity Positive voltage to (+),Diaphragm moves forward
G
F
E
11. Operating Temperature -20~+ 75°C
12. Storage Temperature -30~+ 85°C
D
13. Weight ~1.8g
D
2.2 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 Electronics Industry Co., Ltd.
C
Power Amplifier
C
10cm
0.1W(0.89Vrms)
B
Speaker
Mic
Audio
Analyser
B
Anechoic chamber
Date:
Drawn by:
王文邦
Drawn
Note
5 4
Checked by:
Approved by:
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Rev.
2010/12/28A
Date
A
6
2010/12/28
王文邦
王 平
李红元
3 2
BLS1530-11-08H3.5 LF
Speaker
DRG NO: BS/TES01.1086A
A
Page:02 of 06
1
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BLS1530-11-08H3.5 LF
Acoustics & Sensor
46 5 3 2 1
2.3 Frequency Response Curve (only for reference)
HH
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
100
dB
90
G
G
80
70
F
60
Sound Pressure Level (dB)
F
50
E
100
3.Drawing
1k
Frequency (Hz)
10k7k2k 5k
E
unit:mm
tolerance:±0.2
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
A
A
2010/12/28
Rev.
6
王文邦
DrawnDate
5
DIAPHRAGM
Note
Date:
Drawn by:
Checked by:
Approved by:
4
2010/12/28
王文邦
王 平
李红元
www.be-star.com wu@be-star.com
3
BLS1530-11-08H3.5 LF
Speaker
DRG NO: BS/TES01.1086A
2 1
Page:03 of 06
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Page 4
46 5 3 2 1
BLS1530-11-08H3.5 LF
4.Reliability Test
4.1 Load Test
Power (Nom) 1.0W(sine wave)
Duration 24hrs
Acoustics & Sensor
HH
G
4.2 High Temperature Test
G
Temperature +75±2°C
Duration 24hrs
4.3 Low Temperature Test
Temperature -20±2°C
Duration 24hrs
F
4.4 Damp Heat
F
Temperature 40±2°C
Relative Humidity 90%-95%RH
Duration 24hrs
4.5 Temperature Cycle Test
Cycles 6
E
T(°C)
transition time:20-30s
E
+75
+25
D
and shall not be used in whole or in part without its written content
-20
30
30 30
1 cycles
D
t (min)
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
4.6 Drop Test
Height 1.0m
C
Drop face thick board (20mm)
C
Times 10
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
recovery period shall be 2hrs at least before performance testing.
B
2. After reliability test ,all samples must be meet the requirements specified
B
3.Sensitivity difference at 0.8~2KHz shall be within ±3dB from initial value after test.
Date:
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Rev.
6
王文邦
DrawnDate
Checked by:
Note
5
Approved by:
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4
2010/12/28
王文邦
王 平
李红元
3
BLS1530-11-08H3.5 LF
Speaker
DRG NO: BS/TES01.1086A
2 1
A
Page:04 of 06
Page 5
BLS1530-11-08H3.5 LF
5. Packing
Acoustics & Sensor
36 5 4 2 1
HH
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
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: 46×28×24(cm)
Date:
Drawn by:
A
A
Rev.
Date Drawn
2010/12/28
6 5
王文邦
Note
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4
王文邦
2010/12/28
王 平
李红元
3
BLS1530-11-08H3.5 LF
Speaker
DRG NO: BS/TES01.1086A
2 1
A
Page:05 of 06
Page 6
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BLS1530-11-08H3.5 LF
Acoustics & Sensor
H
6. History Change Record
version
No.
G
F
E
A
Before After
Change Items
Date
2010/12/28
Drawn
王文邦
Approved
李红元
H
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
A
2010/12/28
Rev.
6
王文邦
DrawnDate
Checked by:
Note
5
Approved by:
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4
2010/12/28
王文邦
王 平
李红元
3 1
BLS1530-11-08H3.5 LF
Speaker
DRG NO: BS/TES01.1086A
2
Page:06 of 06
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