Instruction Manual

ManualsBrandsBeStar ManualsAcousticsBMS25-11-04H4.5 LF

SPECIFICATION

08TOTAL PAGE

www.be-star.com

RoHS

Checked by

Drawn by

Customer approved

Approved by

Approval：

1.Description

2.Characteristics

3.Drawing

4.Reliability Test

5.Packing

6.History Change Record

FOR DYNAMIC SPEAKER

Preliminary Specification For The Acoustic

Characteristics of Dynamic Speaker

Customer

Product No.Customer P/N

Model Name

Issue Date

Issue No.

BS/TES01.1078A

2010/10/12

BMS25-11-04H4.5 LF

139004

Date

Page

12 Oct. 2010

01 of 08

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

博

士

達

Summary of content (8 pages)

PAGE 1
SPECIFICATION FOR DYNAMIC SPEAKER 博士達 TOTAL PAGE 08 www.be-star.com RoHS Preliminary Specification For The Acoustic Characteristics of Dynamic Speaker Customer Model Name Customer P/N Product No. 12 Oct. 2010 Issue No. Date Page 01 of 08 Issue Date BMS25-11-04H4.5 LF 139004 BS/TES01.1078A 2010/10/12 Approval： 1.Description 2.Characteristics 3.Drawing 4.Reliability Test 5.Packing 6.History Change Record Drawn by Checked by Approved by Customer approved BESTAR ELECTRONICS INDUSTRY CO.
PAGE 2
博士達 6 5 4 3 1 2 BMS25-11-04H4.5 LF H 1.Description 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. E D Item Specification Ø 25 1. Dimension 2. AC Impedance 3. Rated Input Power 1.5W(2.45Vrms) 4. Maximum Input Power 2.0W(2.83Vrms) 5. Resonance Frequency 500Hz ±20% 6. Frequency Response F0~20KHz 7. S.P.
PAGE 3
博士達 6 5 4 3 1 2 BMS25-11-04H4.5 LF H 2.3 Frequency Response Curve (only for reference) A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct 100 G Sound Pressure Level (dB) G 80 F 70 60 100 E E 1K 2K 5K 10K 20K Frequency (Hz) 2.4 Total Harmonic Distortion (only for reference) D D 4 3 THD (%) This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
PAGE 4
博士達 6 5 4 3 1 2 BMS25-11-04H4.5 LF H 2.5 F0 Curve (only for reference) A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct 16 G G (ohm) 12 8 F 4 0 E E 100 1K 2K 5K 10K 20K Frequency (Hz) 2.6 R&B Curve (only for reference) D D 2.0 1.5 C (%) This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content F 1.0 C 0.
PAGE 5
博士達 6 5 4 3 1 2 BMS25-11-04H4.5 LF H 3. Drawing This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content unit:mm tolerance:±0.2 G G F F E E D D C C B B Diaphragm(black) 2010/10/12 Date: A 王文邦 Drawn by: A 2010/10/12 Date Rev. 王文邦 Drawn Note Checked by: 王平 Approved by: 李红元 www.be-star.com wu@be-star.com 6 5 4 3 BMS25-11-04H4.5 LF Speaker DRG NO: BS/TES01.
PAGE 6
博士達 6 5 4 3 1 2 BMS25-11-04H4.5 LF H 4. Reliability Test 4.1 Load Test Power (Nom) Duration G This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content F 1.5W(sine wave) 96hrs G 4.2 High Temperature Test Temperature Duration +85±3°C 96hrs 4.3 Low Temperature Test Temperature Duration -40±3°C 96hrs 4.4 Damp Heat Temperature Relative Humidity Duration 40±3°C 90%-95%RH 96hrs F 4.
PAGE 7
博士達 6 5 4 3 1 2 BMS25-11-04H4.5 LF This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content H 5. Packing G G F F E E TBD D D C C B B 2010/10/12 Date: A A 2010/10/12 Date Rev. 王文邦 Drawn Note Drawn by: 王文邦 Checked by: 王平 Approved by: 李红元 www.be-star.com wu@be-star.com 6 5 4 3 BMS25-11-04H4.5 LF Speaker DRG NO: BS/TES01.
PAGE 8
博士達 6 5 4 3 1 2 BMS25-11-04H4.5 LF H 6. History Change Record version No. Change Items Before Date A This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content Drawn Approved 王文邦李红元 After 2010/10/12 G G F F E E D D C C B B 2010/10/12 Date: A 王文邦 Drawn by: A 2010/10/12 Date Rev. 王文邦 Checked by: 王平 Drawn Approved by: 李红元 Note www.be-star.com wu@be-star.