SPECIFICATION FOR DYNAMIC SPEAKER 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. Date 01 Feb. 2012 Page 01 of 08 Issue No. Issue Date SMS2020-08H4.5 LF 138707 BS/TES01.990A 2012/02/01 Approval 1.Description 2.Characteristics 3.Drawing 4.Reliability Test 5.Reflow Condition 6.Tape on Reel Packing 7.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 http://www.be-star.com E-mail:wu@be-star.com 6 5 4 3 1 2 SMS2020-08H4.5 LF H 1.Description 1.1 1.2 1.3 1.4 Upper sound port Reflowable(Conforms to EIAJ ED-4702) Flat frequency response with a greater sound volume Excellent durability in severe environment(storage temperature: -40C to +105C) 2.Characteristics G G 2.1 Electrical and Mechanical Characteristics No. Item Specification 1. Dimension 20 x 20 x 4.5 (square) 2. AC Impedance 3. Rated Input Power 0.5W(2.0Vrms) 4. Max Input Power 1.0W(2.83Vrms) 5. Resonance Frequency 6. S.P.L 7. THD 820% F E 850Hz 20% 933dB/0.5W/0.1m at 0.8,1.0,1.5,2.0KHz average E 800Hz30%,800-1.5KHz slope from 10%, 1.5K-8KHz10% D 8. Buzzes & Rattles 9. Polarity Must be normal at sine wave 2.0Vrms Positive voltage to (+),Diaphragm moves forward 10. Operating Temperature 11. Storage Temperature 12. Weight -40~+ 85C D -40~+ 105C ~3.0g 2.2 Test Method Power Amplifier C C 0.5W(2.0Vrms) 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 10cm B B Speaker Audio Analyser Mic Anechoic chamber 2012/02/01 Date: A A 2012/02/01 Date Rev. Drawn Note Drawn by: Checked by: Approved by: www.be-star.com wu@be-star.com 6 5 4 3 SMS2020-08H4.5 LF Speaker DRG NO: BS/TES01.990A 2 Page:02 of 08 1 A 6 5 4 3 1 2 SMS2020-08H4.5 LF H 2.3 Frequency Response Curve (only for reference) A: Frequency Response Magn 0 dB re 20.00 Pa/V 1/12Oct 110 G Sound Pressure Level (dB) G 90 min SPL F 80 70 100 E E 1K 2K 5K 10K 20K Frequency (Hz) 2.4 Total Harmonic Distortion (only for reference) 40 D D 30 (%) 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 100 C 20 C 10 0 B 100 1K 2K A 2012/02/01 Date Rev. Drawn Note Drawn by: Checked by: Approved by: www.be-star.com wu@be-star.com 6 5 4 10K 20K Frequency (Hz) 2012/02/01 Date: A 5K 3 SMS2020-08H4.5 LF Speaker DRG NO: BS/TES01.990A 2 Page:03 of 08 1 B A 6 5 4 3 1 2 SMS2020-08H4.5 LF H 3. Drawing Unit:mm Tolerance:0.2 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 Dummy lead G G F F E Lead(+) Lead(-) (sound port) E (sound port) 4. Reliability Test D D 4.1 Load Test Power (Nom) Duration C 0.5W(sine wave) 120hrs 4.2 High Temperature Test Temperature Duration +1053C 120hrs 4.3 Low Temperature Test Temperature Duration -403C 120hrs C 4.4 Temperature Cycle Test Temperature Temperature Change Duration at +85C Duration at -40C Duration for one cycle Cycle B -40C/+85C 12/min 2h(each cycle) 2h(each cycle) 8h 10 2012/02/01 Date: A A 2012/02/01 Date Rev. Drawn Note Drawn by: Checked by: Approved by: www.be-star.com wu@be-star.com 6 5 4 3 B SMS2020-08H4.5 LF Speaker DRG NO: BS/TES01.990A 2 Page:04 of 08 1 A 6 5 4 3 1 2 SMS2020-08H4.5 LF H 4.5 Drop Test Height Drop face Times 1.0m Free drop on concrete floor 3 (X,Y,Z direction 1 time each, total 3 times) Notice: G G 1.All these tests above should be measured after leaving normal temperature for 2hrs. 2.After the test the part shall meet specifications without any degradation in appearance and performance except SPL.SPL difference at 0.8-2kHz shall be within 3dB from initial value after test. F 5.Reflow Condition 5.1 reflow solding E E Peak Temp.:260C Max 260C 235C Temperature (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 D D 215C 150C C 60-80 120-150 30-40 50 C Time (s) Preheating: 215C for 60-150 seconds Soldering Temperature: 235C for 20-40 seconds Peak Soldering Temperature: 260C max for 10 seconds B 2012/02/01 Date: A A 2012/02/01 Date Rev. Drawn Note Drawn by: Checked by: Approved by: www.be-star.com wu@be-star.com 6 5 4 B 3 SMS2020-08H4.5 LF Speaker DRG NO: BS/TES01.990A 2 Page:05 of 08 1 A 6 5 4 3 1 2 SMS2020-08H4.5 LF H 6. Tape on Reel Packing 6.1 packing drawing Dimensions of carrier tape G G B--B B A A F F 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 B The cover film peel strength force 0.1-0.7N The cover film peel speed 300mm/min. E E A--A D D Dimensions of reel Components C C Leader Cover Film B B Trailer 2012/02/01 Date: A A 2012/02/01 Date Rev. Drawn Note Drawn by: Checked by: Approved by: www.be-star.com wu@be-star.com 6 5 4 3 SMS2020-08H4.5 LF Speaker DRG NO: BS/TES01.990A 2 Page:06 of 08 1 A 5 6 4 3 1 2 SMS2020-08H4.5 LF H 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 6.2 packing quantity G G F F label about order info E E label BeStar Type: P/O: Qty: Date code: D D C 6.3 packing quantity 6.3.1 300 pcs/reel 6.3.2 5 reel/carton 6.3.3 1500 pcs/carton in total 6.3.4 carton size 38x28x37cm 6.3.5 12 carton/tray 6.3.6 tray size 85x77x74cm B C B 2012/02/01 Date: A A 2012/02/01 Date Rev. Drawn Note Drawn by: Checked by: Approved by: www.be-star.com wu@be-star.com 6 5 4 3 SMS2020-08H4.5 LF Speaker DRG NO: BS/TES01.990A 2 Page:07 of 08 1 A 4 5 6 3 1 2 SMS2020-08H4.5 LF H 7. History Change Record version No. Change Items Before 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 Date Drawn Approved 2012/02/01 After G G F F E E D D C C B B 2012/02/01 Date: A A 2012/02/01 Date Rev. Drawn Note Drawn by: Checked by: Approved by: www.be-star.com wu@be-star.com 6 5 4 3 SMS2020-08H4.5 LF Speaker DRG NO: BS/TES01.990A 2 Page:08 of 08 1 A