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在专业音响系统中特别是在对人声、乐器声放大的系统中 ,往往都加入激励器 ,它可以有效地对声音进行美化、修饰。在民品中激励器的应用较少。八达过去几年生产的ＤＣ 312带卡拉ＯＫ前级 ,由于价格平、效果不错和其它功放的组合十分简便 ,所以一直是这类产品中的畅销机型之一。
In the professional audio system, especially in the system of human voice and instrument amplification, an exciter is often added, which can effectively beautify and modify the sound. Actuators in civilian products less used. The Octopus DC 312 with the karaoke stage, which has been produced in the last few years, has been one of the best-selling models in this category because of its flatness, good results and the ease of combination of other amplifiers.