电子琴不仅能模拟各种传统乐器的音色以及各种打击乐器的音色,而且常要求发出回响音、哇音以及其它特殊的音响,因此,对电子琴中的放大器就有特殊的要求.主要有以下几个方面:第一、由于电子琴中有许多信号源须通过放大器混合后由扬声器发出,所以,如何恰当地将几个信号混 The keyboard can not only simulate the sound of various traditional instruments and the sound of various percussion instruments, but also often require the sound of reverberation, wah and other special sound, so there are special requirements for the amplifiers in the keyboard. Aspects: First, because there are many sources in the keyboard to be mixed by the amplifier by the speaker, so how to properly mix a few signals