BeStar BMS40-12-08H4.9-02 LF User Manual

博 士 達

SPECIFICATION

FOR DYNAMIC SPEAKER

08TOTAL PAGE

www.be-star.com

Preliminary Specification

RoHS

Customer

Date
Page

Approval：

1.Characteristics

2.Drawing

3.Reliability Test

4.Packing

5.History Change Record

26 Jul. 11

01 of 08

Model Name

Product No.Customer P/N
Issue No.
Issue Date

BMS40-12-08H4.9-02 LF

132615

BS/TES01.1018A

11/07/26

Drawn by

莫丽丽

Checked by

王文邦

Approved by

张秀琴

Customer approved

BESTAR ELECTRONICS INDUSTRY CO.,LTD

No.199 HuangHe West Road.New district,ChangZhou,JiangSu Province,P.R.China
Tel: [phone] Fax: [phone]

E-mail:[e-mail] http://www.be-star.com

6 45 3

BMS40-12-08H4.9-02 LF

H

1.Characteristics

1.1 Electrical and Mechanical Characteristics
No. Item Specifications

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12

G

1. Size 40*4.9mm

G

2. Impedance at 1.0KHz/1V 8±1.2 Ω

3. Lowest Resonance frequency 430±86Hz

4. Effective frequency range fo...5000Hz

5. Rated input power 1w

F

6. Maximum input power 1.5w

F

7. Buzz & Rattle(at sine wave2.83V) must be normal

8. SPL(1W,1m) at 1K Hz 83±3dB
9 Polarity Positive voltage to (+),

E

the diaphragm move forward

E

10. Frame Material Metal

11. Weight 9.5g

12. Operating temperature -40...+85°C

D

and shall not be used in whole or in part without its written content

13. Storage temperature -40...+85°C

1.2 Test Method

Power Amplifier

D

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

0.1m

C

1W(2.83Vrms)

B

Speaker

Mic

Audio
Analyser

B

Anechoic chamber

Date:

A

11/07/26A 王文邦

Rev.

Date

莫丽丽

Drawn

Note

6

Drawn by:
Checked by:

Approved by:

www.be-star.com [e-mail]

45 3

11/07/26

莫丽丽

张秀琴

BMS40-12-08H4.9-02 LF

Speaker

DRG NO: BS/TES01.1018A

2 1

A

Page:02 of 08

6 45 3

BMS40-12-08H4.9-02 LF

H

1.3 Frequency Response Curve
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct

Test condition:0.1m/1W

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12

G

F

E

G

F

E

1.4 Total Harmonic Distortion Curve

Test condition:0.1m/1W

D

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

莫丽丽

Drawn

Note

Rev.

11/07/26A

Date

6

Drawn by:
Checked by:

Approved by:

www.be-star.com [e-mail]

45 3

11/07/26

莫丽丽

王文邦

张秀琴

BMS40-12-08H4.9-02 LF

Speaker

DRG NO: BS/TES01.1018A

2 1

Page:03 of 08

C

B

A

6 45 3

BMS40-12-08H4.9-02 LF

H

1.5 Resonance Frequency Curve
Test condition:0.1m/1W

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12

G

F

E

G

F

E

1.6 Buzzer&Rattle Curve
Test condition:0.1m/1W

D

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

莫丽丽

Drawn

Note

Rev.

11/07/26A

Date

6

Drawn by:
Checked by:

Approved by:

www.be-star.com [e-mail]

45 3

11/07/26

莫丽丽

王文邦

张秀琴

BMS40-12-08H4.9-02 LF

Speaker

DRG NO: BS/TES01.1018A

2 1

Page:04 of 08

C

B

A

6

BMS40-12-08H4.9-02 LF

H

2.Drawing

unit:mm

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45

3

12

G

unit:mm

F

E

D

Ø40±0.3

Ø36

G

F

E

D

Ø16.8±0.3
Ø15.9±0.3

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

莫丽丽

Drawn

Rev.

11/07/26A

Date

6

2.0±0.3

Note

Date:
Drawn by:
Checked by:

Approved by:

www.be-star.com [e-mail]

11/07/26

莫丽丽

王文邦

张秀琴

45 3

4.9±0.3

BMS40-12-08H4.9-02 LF

Speaker

DRG NO: BS/TES01.1018A

2 1

C

B

A

Page:05 of 08

6

BMS40-12-08H4.9-02 LF

H

3. Reliability Test

3.1 Load Test 1W

G

F

E

Duration 48hours

3.2 High temperature test
Temp. +85±2°C
Relative humidity 20...50%RH
Duration 48hrs

3.3 Low temperature test
Temp. -40±3°C
Duration 48hrs

3.4 Moisture temperature test
Temp. 40±2°C
Relative humidity 90...95%RH
Duration 48hrs

3.5 Drop Test
Height 100cm
Direction x,y&z 3 axis
Time 6s
Dropped to 20mm thickness wooden boad contained packing

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45

3

12

G

F

E

D

and shall not be used in whole or in part without its written content

After each test of 3.2 to3.3,3.4,speakers should be measured after 2hrs

D

exposed in normal temperature.

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

After each test,All specification must be satisfied in this condition.

C

B

A

Rev.

SPL:deviation is ±2dB of initial values

Date:

Drawn by:

11/07/26A

Date

6

莫丽丽

Drawn

Note

Checked by:
Approved by:

45 3

11/07/26

莫丽丽

王文邦

张秀琴

www.be-star.com [e-mail]

BMS40-12-08H4.9-02 LF

Speaker

DRG NO: BS/TES01.1018A

2 1

C

B

A

Page:06 of 08

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6 45 3

BMS40-12-08H4.9-02 LF

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4. Packing

G

F

2

1

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

E

D

C

Remark:

50pcs per tray
14 trays per carton

B

Total 700pcs per carton
Size:41X41X34 cm

B

Date:

A

莫丽丽

Drawn

Note

Rev.

11/07/26A

Date

6

Drawn by:
Checked by:

Approved by:

www.be-star.com [e-mail]

45 3

11/07/26

莫丽丽

王文邦

张秀琴

BMS40-12-08H4.9-02 LF

Speaker

DRG NO: BS/TES01.1018A

2 1

A

Page:07 of 08

6 45 3

BMS40-12-08H4.9-02 LF

H

5. History Change Record

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12

version
No.

A

G

F

E

Before After

Change Items

Date

11/07/26

Drawn Approved

莫丽丽

张秀琴

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

莫丽丽

Drawn

Note

Rev.

11/07/26A

Date

6

Drawn by:
Checked by:

Approved by:

www.be-star.com [e-mail]

45 3

11/07/26

莫丽丽

王文邦

张秀琴

BMS40-12-08H4.9-02 LF

Speaker

DRG NO: BS/TES01.1018A

2 1

Page:08 of 08

D

C

B

A