The application of advanced public address systems is gradually spreading into our lives. Let me introduce to you what are the main components of advanced public address systems?
1. Audio source equipment
A. Digital tuning;
B. Deck recorder, voice recorder, etc .;
C. TV audio signals MP3, MP4, CD player, VCD, DVD, etc., alarm signal generator microphone.
2. Audio source management and control equipment
SM-127 / 00 audio management system host (language alarm, language recording extension, bell microphone, etc.);
SM-40 host;
Dp1202 system;
SM-208 system.
3. Power management equipment
a. Sequential power manager;
b. Programming timing power manager;
c. Alarm power driver.
4. Power amplification equipment
Preamplifier, pure power amplifier;
Combined power amplifier;
With five-zone power amplifier (five outputs, independent volume control).
5. Output management control equipment
A. Broadcast zone selector (1 input, multiple output, linkage alarm);
B. Broadcast partition matrix device (2 input, multiple output, linkage alarm);
C. Broadcast zone paging matrix device (2 inputs, A, B conversion, multi-output, linkage alarm);
D. Power amplifier failure detector (automatic switching between main and backup power amplifiers);
E. Volume control.
6. Sound restoration equipment
Ceiling speakers and sound column etc.
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Yangzhou Donglun Industrial Equipment Co., Ltd , https://www.dltubemill.com