Characteristic, 1 electrical and mechanical characteristics, Bestar electronics industry co.,ltd – BeStar BLS18-11-08H7.8 LF User Manual
Page 2
H
H
朱成兴
BESTAR ELECTRONICS INDUSTRY CO.,LTD
Rev.
Date
6
A
06/02/09
B
B
BLS18-11-08H7.8 LF
Speaker
Approved by:
Note
Drawn
5
4
Drawn by:
Checked by:
Date:
郭 敏
3
2
DRG NO: BS/TES01.547B
朱成兴
王善梅
06/02/09
1
Page:1 of 5
A
B
1. Characteristic
1.1 Electrical and Mechanical Characteristics
No. Item Specification
1. Impedance(at 1.5kHz) 8 ± 15%Ω
2. Rated Input Power 1.0W
3. Maximum Input Power 1.5W
4. Resonance Frequency 500 ± 20%Hz
5. Frequency Response F0 ～20KHz
6. Output SPL 84 ± 3dB/0.3m 1W at 0.6,0.8,1.0,1.2KHz average
7. Distortion （at1kHz,1.5W） ≤5 %
8. Buzzes & Rattles Must be normal at sine wave 2.83V
9. Operating Temperature -20 ～+65° C
10. Storage Temperature -20 ～+70° C
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BLS18-11-08H7.8 LF
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2. Typical Frequency Response Curve
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(dB)
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60
70
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1K
2K
Frequency (Hz)
5K
10K
20K
A: Frequency Response Magn 0 dB re 20.00 μPa/V 1/12Oct
90
100