电钢琴（Electronical piano），是一种电声乐器。它是二十世纪六七十年代兴起，八十年代至九十年代早期流行的一种用于在某些场合代替钢琴的乐器。 电钢琴的发声原理是将键盘作为通断开关，形成电泳，一旦按下琴键，内部的晶振开始工作，形成脉冲产生一定频率的波形，接着经过分频器的放大，送入扬声器发声。整个发声过程依靠简单的分频模拟电路，所以键盘没有力度和击弦感觉，声音也较为机械单调。
我们家买下这个声名狼籍的的黑凳子是因为我哥哥跟我父母说他必须拥有一台电钢琴，并且他弹钢琴时需要坐的东西。
Our family purchased the infamous black stool because my brother told my parents that he must have an electric piano. And he needed something to sit on while he played.
因此，首先我喜欢物理模型的想法，我认为这是一个很好的电钢琴，虽然罗兰必须解决许多问题-我认为还需要些改善。
So first of all bear in mind I like the very idea of physical modeling and I think this is a good piano, though Roland has to address many points - in MY VIEW - to improve it.
电钢琴的键盘系统构造不好（当然也不贵），而且大多数电钢琴也缺乏足够好的音响系统去与机械钢琴直接击弦产生的音质抗衡。
The construction of their actions is not as good (not as expensive) and most electronics do not have good enough speaker systems to compete with the acoustics.
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