Characteristics, Speaker, Speaker mic audio analyser power amplifier – BeStar BLS70-2-08H38.5 LF User Manual
Page 2: 1w (2 .8 3 v rm s), Anechoic chamber, 2 test method, 1 electrical and mechanical characteristics
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Drawn by:
Approved by:
Checked by:
Date:
Page:02 of 07
DRG NO:BS/TES01.1100A
王 平
Drawn
Rev.
Date
Note
王文邦
2012/01/12
汪凤声
BLS70-2-08H38.5 LF
A
2012/01/12
汪凤声
博 士 達
BLS70-2-08H38.5 LF
No. Item Specifications
1. Size
Ø70x38.5mm
2. Impedance at 1KHz 8
±1.2
Ω
3. Resonance frequency 160
±40Hz
4. Operating frequency range fo... 20K Hz
5. Rated input power 5W
6. Maximum input power 8W
7. Buzz & Rattle(at sine wave 6.5V) must be normal
8. SPL(1W/1M/88
± 3dB) (at 0.8
、
1.0
、
1.2
、
1.5KHz average)
9. Polarity Positive voltage to (+),
the diaphragm move forward
10. Magnet material Ferrite
11. Operating temperature - 20...+70
°C
Speaker
Speaker
Mic
Audio
Analyser
Power Amplifier
1m
1
W
(2
.8
3
V
rm
s)
1.2 Test Method
Anechoic chamber
1.Characteristics
1.1 Electrical and Mechanical Characteristics