Description, Characteristics – BeStar BLS2040-11-08H8.8-BOX LF User Manual
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1.Description
1.1 Acoustic component Performance Specification
1.2 The present document specifies performance
requirements for the acoustic characteristics of speaker
Drawn by:
Drawn
Rev.
Date
Approved by:
Checked by:
Note
Date:
Page:02 of 07
A
2.Characteristics
2.1 Electrical and Mechanical Characteristics
No. Item Specification
1. Dimension 20 x40 x 8.8(mm)
2. AC Impedance 8 Ω
±15%(at 2KHz/1Vrms)
3. Rated Input Power 2.0W(4.0Vrms)
4. Maximum Input Power 3.0W(4.9Vrms)
5. Resonance Frequency
1000Hz ±20%
6. Frequency Response F0~20KHz
7. S.P.L
84±3dB/1m/1W at 1.0,1.2,1.5,2.0KHz average
8. THD
≤5% (at 1.0KHz/0.1W)
9. Buzzes & Rattles Must be normal at sine wave4.0Vrms
10. Polarity Positive voltage to (+),Diaphragm moves forward
11. Operating Temperature -20~+ 65
°C
12. Storage Temperature -30~+ 75
°C
13. Weight
~7.2g
±0.3g
Speaker
08/08/16
08/08/16
BLS2040-11-08H8.8-BOX LF
DRG NO: BS/TES01.1121A
BLS2040-11-08H8.8-BOX LF
Speaker
Mic
Audio
Analyser
Power Amplifier
1m
1
.0
W
(2
.8
3
V
rms)
2.2 Test Method
Anechoic chamber
王文邦
王文邦
李红元
王 平