Characteristics, 85 c, Typical frequency response curve – BeStar BMS30-12B-04H09 LF User Manual
Page 2: 1 electrical and mechanical characteristics, 21 speaker
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No. Item Specification
1. Impedance(at 2.0kHz) 4
15%
Ω
2.
Rated Input Power 0.5W
3. Maximum Input Power 1.0W
4. Resonance Frequency 1000
20%Hz
5. Frequency Response F0
~
6KHz
6. Output SPL 105
3dB/0.1M 0.5W at1KHz
7. Distortion(at1kHz,0.5W
)
≤
5%
8. Buzzes & Rattles Must be normal at sine wave 1.41V
9. Magnet NdFeB
12.5X4mm
10. Operating Temperature -20
~
+85 C
11. Storage Temperature -20
~
+85 C
Date
2. Typical Frequency Response Curve
6
A
Rev.
C
B
D
5
4
3
Drawn
Note
Drawn by:
Approved by:
Checked by:
Date:
Page:1 of 5
DRG NO: BS/TES01.545B
2
1
Speaker
A
C
B
D
1.1 Electrical and Mechanical Characteristics
1. Characteristics
BMS30-12B-04H09 LF
E
F
G
H
6
E
F
G
5
4
3
H
2
1
06/11/28
A
朱成兴
张秀琴
莫丽丽
08/05/09
BMS30-12B-04H09 LF
08/05/09
B
张小红
张小红