B-BASS SOUNDER-SS-26.2 LW - BESTAR ELECTRONICS

文件号：BS/QDTE045B

SPECIFICATION

B-Bass Sounder-SS-26.2 LW

APPROVAL SHEET

12

TOTAL PAGE www.bestargroups.com RoHS

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Table of Contents:

1.Test Climatic Condition

2.Description

3.Characteristics

4.Test Setup

5.Drawing

6.Reliability Test

7.Packing

8.History Change Record

FOR SMARTPHONE SPEAKER

Customer

Product No.Customer P/N

Model Name

Issue Date

Issue No. BS/TES01.****A

B-Bass

Sounder-SS-26.2LW

******

Date

Page 01 of 12

文件号：BS/QDTE045B

18 Dec.2013

2013/12/18

BESTAR ACOUSTICS 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.bestargroups.com

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

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

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2.Description

2.1 Acoustic component Performance Specification

2.2 The present document specifies performance

requirements for the acoustic characteristics of speaker

www.bestargroups.com wu@be-star.com

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3.Characteristics

3.1 Electrical and Mechanical Characteristics

Speaker

B-Bass Sounder-SS-26.2LW

DRG NO: BS/TES01.****A

B-Bass Sounder-SS-26.2LW

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

No. Item Specification

1. Dimension 40 x20 x 4.5(mm)

2. AC Impedance 8Ω±15%(at 2KHz/1Vrms)

3. Rated Input Power 0.5W(2.0Vrms)

4. Maximum Input Power 1.0W(2.83Vrms)

5. Fo Driver 850Hz±20%;Passive Driver 230Hz±20%

6. Frequency Response F0~20KHz

7. S.P.L 91±3dB/0.1m/0.5W at 2KHz(Driver)

74±3dB at 230Hz（Passive Driver）

8. THD ≤10% (at 1KHz/0.5W) ,Show in Page5

9. Buzzes & Rattles Must be normal at sine wave 2Vrms from 300~3400Hz

10. Polarity Positive voltage to (+),Diaphragm moves forward

11. Operating Temperature -20~+ 70°C

12. Storage Temperature -20~+ 70°C

王凯

文件号：BS/QDTE045B

王凯

汪珍珍

王凯

2013/12/18

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Speaker

Mic

Audio

Analyser

Power Amplifier

10cm

0.5W(2Vrms)

Anechoic chamber

4. Test Setup

4.1 Speaker Measurement Circuit

Baffle

4.2 Baffle Drawing

unit:cm

tolerance:±2

4.3 Test Method

The speaker shall be mounted in a

baffle of the dimensions 80X100cm show

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

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

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Speaker

4.4 Frequency Response Curve (only for reference)

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

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.

This test is performed on the production line by 100%.

Sound Pressure Level (dB)

Frequency (Hz)

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

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Speaker

4.5 Total Harmonic Distortion (only for reference)

Frequency (Hz)

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

4.5.1 THD

THD is measured according test set up in chapter 4.1 and parameters

according chapter 4.5

This test is performed on the production line by 100%.

THD (%)

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

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Speaker

4.6 F0 Curve (only for reference)

Frequency (Hz)

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

4.6.1 Resonance Frequency

Resonance frequency is measured according test set up in chapter 4.1

and parameters according chapter 4.6

This test is performed on the production line by 100%.

(ohm)

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

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Speaker

4.7 R&B Curve (only for reference)

Frequency (Hz)

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

4.7.1 R&B

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%.

(%)

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

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Speaker

unit:mm

tolerance:±0.2

5. Drawing

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

A

14

2.5

*26±2

GHR-02V-S

REDBLK

Pin:SSHL-002T-P0.2

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Speaker

unit:mm

tolerance:±0.2

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

A

No Description of the part Material

1

2

3

4

Top Cover ABS

Bottom Cover ABS

PEEK

Passive Diaphragm

BeStar Assemble

Driver

1

2

43

3.Sensitivity difference at 2~5KHz shall be within ±3dB from initial value after test.

6.5 Temperature Cycle Test

Cycles 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 4hrs at least before performance testing.

2. After reliability test ,all samples must be meet the requirements specified

6.6 Drop Test

Height 1.0m

Drop face thick ness wooden board (20mm)

Times 10

(three times in each direction )

+25

-40

+85

t (min)

30

1 cycles

30 30

6.3 Low Temperature Test

Temperature -20±3°C

Duration 96hrs

6.1 Load Test

Power (Nom) 0.5W

Duration 96hrs

6.2 High Temperature Test

Temperature +70±3°C

Duration 96hrs

6. Reliability Test

6.4 Damp Heat

Temperature 40±3°C

Relative Humidity 90%-95%RH

Duration 96hrs

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Speaker

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

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Speaker

7. Packing

Remark:

40 pcs per carton

20 carton per box

Total 800pcs per box

Size: 35×27×30(cm)

P/O NO.

MODEL

G.W. 35×27×30cm

SIZE

O’TY

N.W. PCS

文件号：BS/QDTE045B

汪珍珍

王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

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Speaker

8. History Change Record

A

version

No. Before After

Change Items Date Drawn Approved

文件号：BS/QDTE045B

汪珍珍

王凯

2013/12/18 王凯

B-Bass Sounder-SS-26.2LW

www.bestargroups.com wu@be-star.com

B-Bass Sounder-SS-26.2LW

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

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

王凯

DRG NO: BS/TES01.****A

2013/12/18

A