User guide

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
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Page:03 of 13
3.Characteristics
3.1 Electrical and Mechanical Characteristics
No. Item Specification
1. Dimension 18 x13 x 4.5(mm)
2. DC Resistance 7.8Ω±15%
3. AC Impedance 8Ω±15%(at 2KHz/0.5W)
4. Rated Power 0.5W(2.0V/ in 1.0cc box)
5. Maximum Power 0.7W(2.37V/ in 1.0cc box)
6. Resonance Frequency 800Hz ± 15% (in 1.0cc box)
7. Frequency Response F0~20KHz
8. S.P.L 92±3dB/0.1m/0.5W at 2.0KHz(in 1.0cc box)
9. THD 30% at 600Hz/0.5W
≤10% at 1KHz/0.5W
10. Buzzes & Rattles Must be normal at sine wave 0.89Vrms (in free air)
/2.0Vrms(in 1.0cc box) from 200~3400Hz
11. Polarity Positive voltage to (+),Diaphragm moves forward
12. Operating Temperature -20~+ 70°C
13. Storage Temperature -20~+ 70°C
14. Weight ~2.7g±0.3g
Speaker
BMS1813F-11C-08H4.5 LF
DRG NO: BS/TES01.1230B
BMS1813F-11C-08H4.5 LF
汪珍珍
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
400Hz ±20% (in free air)
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王凯
王凯
王凯
2013/09/10
2013/09/10