BeStar BMS40-12B-08H5.0 LF - Manual (Page 2)

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Note
Date:
Page:02 of 08
Speaker
BMS40-12B-08H5.0 LF
DRG NO: BS/TES01.1018A
BMS40-12B-08H5.0 LF
Speaker
Mic Audio
Analyser
Power Amplifier
1M
1
W
(2
.8
3
Vr
ms)
Anechoic chamber
博 士 達
汪凤声 12/02/13 A 王文邦
王 平
12/02/13
汪凤声
1.Characteristics
1.1 Electrical and Mechanical Characteristics
No. Item Specification
1. Dimension Ø40x5.0(mm)
2.
DC resistance (20°C) 8 Ω±15%
3. Rated Input Power 0.3W
4. Maximum Input Power 0.5W
5. Resonance Frequency
500Hz ±20%
6. Frequency Response F0~8KHz
7. S.P.L 83±3dB/1m/1W at0.6、0.8、1.0、1.2KHz
8. THD
≤5% (at 1KHz/0.1W)
9. Buzzes & Rattles Must be normal at sine wave1.55Vrms
10. Polarity Positive voltage to (+),Diaphragm moves forward
11. Operating Temperature -20~+ 70
°C
12. Storage Temperature -30~+ 70
°C
1.2 Test Method