Description, Characteristics, Speaker – BeStar BLS50-2B-08H24.5W050J LF User Manual
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Drawn by:
Approved by:
Checked by:
Date:
Page:02 of 08
DRG NO:BS/TES01.729A
张秀琴
Drawn
Rev.
Date
Note
王 平
2011/11/18
汪凤声
BLS50-2B-08H24.5W050J LF
A
2011/11/18
汪凤声
博 士 達
BLS50-2B-08H24.5W050J LF
No. Item Specifications
1. Size
Ø50x24.5mm
2. Impedance at 1KHz 8
±1.2
Ω
3. Resonance frequency 450
±90Hz
4. Operating frequency range fo...4K Hz
5. Rated input power 0.3W
6. Maximum input power 0.5W
7. Buzz & Rattle(at sine wave 1.5V) must be normal
8. SPL(1W/1M) 83
± 3dB(at 1KHz)
9. Material Mylar cone
10. Polarity Positive voltage to (+),
the diaphragm move forward
11. Operating temperature -20...+ 70
°C
12. Storage temperature - 20...+70
°C
Speaker
1.Description
1.1 Acoustic component Performance Specification
1.2 The present document specifies performance requirements
for the acoustic characteristics of speaker
2.Characteristics
2.1 Electrical and Mechanical Characteristics
Speaker
Mic
Audio
Analyser
Power Amplifier
1 m
1
W
(2
.8
3
V
rm
s)
2.2 Test Method
Anechoic chamber