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哪位晓得ktv音响怎么安装

哪位晓得ktv音响怎么安装

浏览：38次 | 提问时间： 08-05 11:14

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4个答案

偶尔会厌 08-05 11:15

你好，KTV扩声要保证几个基本因素：声压级、声场均匀度、清晰度、混响，要了解一些设备的基本*声学知识。声压级：简单的说最起码音响系统的功率要够，包房多大容积要配多少功率，这是首先要保证的。一般KTV包房音箱的最佳声压范围在2.5～2.8米之间，也就是说，你最好让音箱的吊挂位置和沙发演唱区的距离在这附近，不信大家可以测试一下，拿着话筒从沙发到音箱位置慢慢移动，看看是不是在这个距离区间唱歌最好效果呢。声场均匀度：音箱的安装位置非常重要，根据音箱的水平和垂直扩散角度合理安排音箱的吊挂位置，以及水平和垂直的旋转俯仰角度，来保证听音区声场均匀。清晰度：合理的房间设计和布局，恰到好处的吸音和扩散是保证扩声清晰度的简单方法，如果房间大量使用玻璃、镜面以及平行光滑墙面，就要考虑在合适的位置增加吸音和扩散措施。主要方法是反复测试。如果房间已经有较多的吸音材料，又无法拆除，可以参考现有音箱的分频设计来改造音箱，比如增加高音单元的数量，推荐用2.5“的钱柜高音单元，弥补被过量吸收的高音部分，增加高音的清晰度；低频过多也会影响房间的清晰度，如果试图在音调部分大量衰减会造成信号畸变，过犹不及，有一歪招大家可以试试：往低音喇叭单元上喷自喷漆，往往需要反复喷涂多次，具体情况具体分析吧，使低音喇叭纸盆改变特性，偏向中频，呵呵，试试再说。低音还与音箱的安装位置有关，适当调整音箱位置来找到一个最佳平衡点也是一个办法。混响：包括建声混响和电声模拟混响，建声混响来自一个成熟的装修设计师，充分考虑了小空间内的建筑声学特性，考虑到声音的反射、扩散、吸收等等指标，比如家俱布置、墙面造型设计、壁纸选用、沙发材质等等因素，作为调试我们能控制的主要是电声混响，传统卡拉OK功放只能简单的使用ECHO（回声）来模拟现实混响，效果较差，而且较早期的回声处理芯片：M50195、65831等等频响范围太窄，效果差，现在主流的卡拉OK功放都采用DSP效果处理，频响范围可达23K，完全可以满足要求，主要由*的OPS、广州的欧迪、万利等几家厂商提供DSP技术。再来说说现场调试，首先重要的是话筒，很多人把舞台扩声话筒拿来当包房话筒用，我有不同见解，舞台话筒讲的是平坦的频率响应和极小的失真范围，而KTV要*大众，要的是合理失真，而且频响范围有特别要求，不是20Hz～20KHz，是卡拉OK最佳表现范围，主要突出人声的中高频段，使人声能量集中，达到清晰表现和唱歌不费力的效果，再有就是，舞台话筒不适合KTV这种相对恶劣环境，很容易坏，包括咪芯和开关寿命都不够长，使用成本高。不同的话筒有不同的声音特质和输出电平，对于卡拉OK功放或者前级来说，话筒音量（不是话筒总音量，应该是话筒增益）的调整尤为重要，增益不够，话筒的细节放大不够，唱歌费力、不清晰、不饱满，话筒增益过大，造成放大器输出失真，造成低音混浊高音破裂容易回馈啸叫，这一点需要调音师反复测试，也是最重要的步骤

未换骨 08-05 11:23

简单啦，MA-K15功放用音箱线接上KA-E08的音箱，然后W80无线麦克风的发射机后面用音频线连接MA-K15的功放麦克风输入口，再外接点歌机，点歌机*输出到电视机或者投影设备就可以啦，一般你购买的话商家都会给你指导，。

青春的幼稚 08-05 11:32

*音响一般都是采用吊装方式,好处有很多,便于声音的扩散,美观,不占空间,接线方便等等.KTV扩声要保证几个基本因素：声压级、声场均匀度、清晰度、混响，要了解一些设备的基本*声学知识。声场均匀度：音箱的安装位置非常重要，根据音箱的水平和垂直扩散角度合理安排音箱的吊挂位置，以及水平和垂直的旋转俯仰角度，来保证听音区声场均匀。

笑起来很美 08-05 11:40

1、音响之间的距离不应该比音响到听音者的距离还要远。但多数音响之间需要至少1.5—2米的距离以产生良好的声像位置，如果距离过远会产生中空效应。2、一个合适的机架。每台机一格。机架能确保机器免受震动，而且将每台机之间分隔开一定距离，特别有利于散热。3、很多音响不论安装在地上还是架子上，都受益于稳固的地面。4、调整音响的方向，直至声像为三维立体为止。从两只音响的前面板引出的垂直线应在你听音的位置交叉。5、如果机架有*子，清扫机架下面的地板会很方便，但如果机架有脚钉则可以固定，声音效果会更好，选择合适的机架，最好兼有两方面优点。6、如果要把音响装在墙上，墙壁必须稳固，高音单元的位置应和你平时听音时耳朵的位置一样高。7、如果你非要把机器一个一个摞起来，那么就把功放放在最上面，因为功放产生的热量最多，最需要散热。8、不要在音响上放盆栽植物，台灯或瓷器雕像等。它们中有的可能会随音乐而震动，令人分心。9、检查机架是否可以承重，以便灌沙或加上特制的金属增加重量以防震，在机架中空的结构中(如支柱)灌沙，以防音量大时发出响声。10、有的音频线是有方向性的，注意按插头上的箭头所指方向接插。11、脚钉的水平要调节好，之后用板手固定(一般都附在器材里了)，注意不要拧得过紧，对有些质量不很好的螺钉，拧得过紧会造成滑牙。12、RTFM是“读说明书”(ReadtheMaruel)的缩写，虽然从接线到音响摆位，似乎所有的步骤都可以自己搞定，但除非你读了说明书，不然你的作法有可能降低音响的表现力，甚至弄坏设备。

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