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在歌舞厅及其类似的场合,操作及电气环境都是较恶劣的,由于歌舞厅的音源复杂多变,且操作人员又往往是业余的,因而设备一般都须考虑到在非专业人员的误操作时不致出现大问题。 影响歌舞厅电气环境条件的主要因素,是灯光系统中的可控硅调光灯和高压霓虹灯以及大屏幕视频显示器等所产生的噪声干扰。这些干扰的存在,使得系统必须有足够的抗干扰能力和较高的可靠性。 基于以上原因,歌舞厅在音响
In the dance halls and the like, the operation and the electrical environment are harsh. Since the sound sources of the dance halls are complicated and changeable, and the operators are often amateurs, the equipment generally has to take into account errors in non-professionals Operation without major problems. The main factors affecting the electrical and environmental conditions of the song and dance halls are the noise interference generated by the SCR dimmer lamps, high-voltage neon lights and large-screen video displays in the lighting system. The existence of these interferences makes the system have sufficient anti-interference ability and high reliability. For the above reasons, song and dance halls sound