BeStar BMS40-12-08H6.9CW65M LF - Manual (Page 2)

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Page:02 of 08
Speaker
BMS40-12-08H6.9CW65M LF
DRG NO: BS/TES01.736A
BMS40-12-08H6.9CW65M LF
Speaker
Mic Audio
Analyser
Power Amplifier
0.1m
1
W
(2
.8
3
V
rm
s
)
Anechoic chamber
莫丽丽 11/10/29 A 王文邦
张秀琴
11/10/29
莫丽丽
1.Characteristics
1.1 Electrical and Mechanical Characteristics
1.2 Test Method
No. Item Specifications
1. Size 40*6.9mm
2. Impedance at 1.0KHz/1V 8 ±1.2 Ω
3. Lowest Resonance frequency 430 ±86Hz
4. Effective frequency range fo...5000Hz
5. Rated input power 1w
6. Maximum input power 1.5w
7. Buzz & Rattle(at sine wave2.83V) must be normal
8. SPL(1W,1m) at 1K Hz 83 ±3dB
9 Polarity Positive voltage to (+),
the diaphragm move forward
10. Frame Material Metal
11. Operating temperature -40...+85 °C
12. Storage temperature -40...+85 °C