Page 1
SPECIFICATION
FOR DYNAMIC SPEAKER
06TOTAL PAGE
www.be-star.com
Preliminary Specification For The Acoustic
Characteristics of Dynamic Speaker
Customer
Page
Approval:
1.Characteristics
2.Drawing
3.Reliability Test
4.Packing
20 May. 09
01 of 06
Model Name
Product No. Customer P/N
Issue No.Date
BS/TES01.1005A
Issue Date
BLS2040-11-08H8.1 LF
122607
09/05/20
RoHS
5.History Change Record
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
Page 2
6
5 4
3
2 1
BLS2040-11-08H8.1 LF
1. Characteristics
1.1 Electrical and Mechanical Characteristics
No. Item Specification
1. Dimension 20 x 40 x 8.1 (mm)
G
F
E
2. AC Impedance 8Ω±15% at 1.0KHz
3. Rated Input Power 2.0W
4. Maximum Input Power 2.5W
5. Resonance Frequency 680Hz ± 20%
6. Frequency Response F0~20KHz
7. S.P.L 88± 3dB/0.1W /0.1m at 0.8,1.0,1.5,2.0KHz average
8. T.H.D ≤10% (2W/0.5m/F0-6KHz)
9. Buzzes & Rattles Must be normal at sine wave 4.0Vrms
10. Polarity Positive voltage to (+),Diaphragm moves forward
11. Operating Temperature -30~+ 70° C
HH
G
F
E
12. Storage Temperature -40~+ 85° C
13. Weight ~7.5g ± 0.3g
D
1.2 Test Method
D
Power Amplifier
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.
10cm
C
C
0.1W(0.89Vrms)
Speaker
Mic
Audio
Analyser
B
Anechoic chamber
B
Digital Audio Analysis System
Date:
Drawn by:
A
A
Rev.
09/05/20
Date
6
张小红
Drawn
5 4
Note
Checked by:
Approved by:
www.be-star.com wu@be-star.com
09/05/20
张小红
王文邦
李红元
3 2
BLS2040-11-08H8.1 LF
Speaker
DRG NO: BS/TES01.1005A
A
Page:2 of 6
1
Page 3
46 5 3 2 1
BLS2040-11-08H8.1 LF
1.3 Frequency Response Curve(only reference )
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
100
G
90
80
F
70
Sound Pressure Level (dB)
E
60
100
1K 2K
5K 10K 20K
HH
G
F
E
2. Drawing
Frequency (Hz)
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
D
C
Diaphragm
B
B
Date:
Drawn by:
09/05/20
A
A
Rev.
6
张小红
Drawn Date
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
09/05/20
张小红
王文邦
李红元
3
BLS2040-11-08H8.1 LF
Speaker
DRG NO: BS/TES01.1005A
2 1
A
Page:3 of 6
Page 4
46 5 3 2 1
BLS2040-11-08H8.1 LF
3. Reliability Test
3.1 Load Test
Power (Nom) 2.0W(Sine Wave)
Duration 96hrs
G
F
E
3.2 High Temperature Test
Temperature +80± 3° C
Duration 48hrs
3.3 Low Temperature Test
Temperature -35± 3° C
Duration 48hrs
3.4 Humidity Heat
Temperature 65± 3° C
Relative Humidity 90± 3%RH
Duration 88hrs
3.5 Temperature Cycle Test
Cycles 24
T(° C)
transition time:15s
HH
G
F
E
+80
+25
-35
D
1hrs
1hrs 1hrs
t (hrs)
D
1 cycles
and shall not be used in whole or in part without its written content
3.6 Vibration Test
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
Vibration frequency 10-55Hz
Amplitude 1.5m
C
Duration 2hrs
3.7 Drop Test
C
Height 1.5m
Drop face thick board (20mm)
Times 18
Notice:
B
1.All these tests above should be measured after leaving normal temperature for 2hrs.
B
2.Sensitivity difference at 0.8~2.0KHz shall be within ± 3dB from initial value after test.
Date:
Drawn by:
A
A
Rev.
09/05/20
6
张小红
Drawn Date
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
09/05/20
张小红
王文邦
李红元
3
BLS2040-11-08H8.1 LF
Speaker
DRG NO: BS/TES01.1005A
2 1
A
Page:4 of 6
Page 5
36 5 4 2 1
BLS2040-11-08H8.1 LF
4.Packing
G
F
E
HH
G
F
E
200pcs 200pcs
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
D
C
Remark:
48 pcs per tray
B
10 trays for unit, 2 units per carton
Total 960pcs per carton
Size: 59.5×39×21(cm)
B
Date:
Drawn by:
09/05/20
A
A
Rev.
Date
6 5
张小红
Drawn
Note
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
09/05/20
张小红
王文邦
李红元
3
BLS2040-11-08H8.1 LF
Speaker
DRG NO: BS/TES01.1005A
2 1
A
Page:5 of 6
Page 6
6 45 3 12
BLS2040-11-08H8.1 LF
H
5.History Change Record
H
version
No.
G
F
E
A
Before After
Change Items
Date
09/05/20
Drawn
张小红
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 Electronics Industry Co., Ltd.
C
B
Date:
Drawn by:
A
A
Rev.
09/05/20
6
张小红
Drawn Date
Note
5
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
09/05/20
张小红
王文邦
李红元
3 1
BLS2040-11-08H8.1 LF
Speaker
DRG NO: BS/TES01.1005A
2
Page:6 of 6
D
C
B
A
Loading...