Page 1
SPECIFICATION
FOR DYNAMIC SPEAKER
TOTAL PAGE
08
www.be-star.com
RoHS
Preliminary Specification For The Acoustic
Characteristics of Dynamic Speaker
Customer
Date
Page
21 JUN. 12
01 of 08
Model Name
Product No.Customer P/N
Issue No.
Issue Date
BLS36-12-04H17.5 LF
132801
BS/TES01.248A
2012/06/21
Approval：
1.Characteristics
2.Drawing
3.Reliability Test
4.History Change Record
Drawn by
Checked by
王 平汪凤声 李红元
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
文件号：BS/QDTE045B
http://www.be-star.com
Page 2
6 45 3
BLS36-12-04H17.5 LF
H
1.Characteristics
1.1 Electrical and Mechanical Characteristics
No. Item Specification
12
G
1. Dimension Ø 36X17.5(mm)
G
2. AC Impedance 4Ω±15%(at 1KHz)
3. Rated Input Power 2W(2.83rms)
4. Maximum Input Power 3W(3.46Vrms)
5. Resonance Frequency 300Hz ±20%
F
F
6. Frequency Response fo~20KHz
7. SPL(1W,1M) 78± 3dB at 1.0KHz
8. T.H.D(1W) <3% at above 400Hz
9. Buzzes & Rattles Must be normal at sine wave 2.83 Vrms
E
10. Polarity Positive voltage to (+),Diaphragm moves forward
E
11. Operating Temperature -15~+ 60°C
12. Storage Temperature -25~+ 70°C
13. Weight ~15g
D
D
1.2 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
1W(2Vrms)
B
A
A 12/06/21 汪凤声
Rev.
Date
6
1 m
Speaker
Anechoic chamber
Drawn
Mic
Note
Power Amplifier
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
45 3
2012/06/21
汪凤声
王 平
李红元
Audio
Analyser
BLS36-12-04H17.5 LF
Speaker
DRG NO:BS/TES01.248A
2 1
Page:02 of 08
C
B
A
Page 3
6 45 3
BLS36-12-04H17.5 LF
12
H
G
F
E
1.3 Frequency Response Curve (only for reference)
G
F
E
1.4 Total Harmonic Distortion Curve ( only for reference)
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
A
A 12/06/21 汪凤声
Rev.
Date
6
Drawn
Note
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
2012/06/21
汪凤声
王 平
李红元
45 3
BLS36-12-04H17.5 LF
Speaker
DRG NO:BS/TES01.248A
2 1
Page:03 of 08
A
Page 4
6 45 3
BLS36-12-04H17.5 LF
12
H
G
F
E
1.5 Impedance Response Curve (only for reference)
G
F
E
1.6 Buzzer&Rattle Curve(only for reference)
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 12/06/21 汪凤声
Rev.
Date
6
Drawn
Note
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
2012/06/21
汪凤声
王 平
李红元
45 3
BLS36-12-04H17.5 LF
Speaker
DRG NO:BS/TES01.248A
2 1
Page:04 of 08
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Page 5
6 45 3
BLS36-12-04H17.5 LF
12
H
2.Drawing
Ø36±0.3
G
F
E
Ø17.9±0.2
2.5±0.3
G
17.5±0.5
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
A
A 12/06/21 汪凤声
Rev.
Date
6
Drawn
Note
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
2012/06/21
汪凤声
王 平
李红元
45 3
BLS36-12-04H17.5 LF
Speaker
DRG NO:BS/TES01.248A
2 1
Page:05 of 08
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Page 6
6 45 3
BLS36-12-04H17.5 LF
H
3.Reliability Test
3.1 Load Test
Power (Nom) 2 W(white noise)
Duration 96hrs
G
3.2 High Temperature Test
Temperature +70±2°C
Duration 96hrs
12
G
F
Temperature -25±2°C
F
Duration 96hrs
3.4 Damp Heat
Temperature 40±2°C
3.3 Low Temperature Test
E
Relative Humidity 90%-95%RH
E
Duration 96hrs
3.5 Drop Test
Height 75cm
Drop face free falling on concrete floor
D
and shall not be used in whole or in part without its written content
Times 10 times
3.6 Vibration Test
D
Frequency 30±15Hz
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
Amplitude 1.5mm for 3hrs
C
Notice:
1.After test leave at room temperature for 1 hours,SPL shall not deviate by
B
A
A 12/06/21 汪凤声
Rev.
±3dB from pre-test measurement,and meet above spec.item 5,6,7,8,9
Date
6
Drawn
Note
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
2012/06/21
汪凤声
王 平
李红元
45 3
BLS36-12-04H17.5 LF
Speaker
DRG NO:BS/TES01.248A
2 1
Page:06 of 08
B
A
Page 7
6 45 3
BLS36-12-04H17.5 LF
H
4. History Change Record
12
version
No.
G
F
E
A
Before
Original edition
Change Items
After
Date
12/06/21 汪凤声 李红元
Drawn
Approved
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
A
A 12/06/21 汪凤声
Rev.
Date
6
Drawn
Note
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
2012/06/21
汪凤声
王 平
李红元
45 3
BLS36-12-04H17.5 LF
Speaker
DRG NO:BS/TES01.248A
2 1
Page:08 of 08
D
C
B
A
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