contrabass

The author makes an introduction and analysis on contemporary composer George ·Perle and his work of contrabass——Monody II,so as to make us have an in-depth understanding about him and his works.

珀尔本人及低音提琴作品《挽歌II》的介绍和演奏分析,以便让大家更进一步地了解和认识其作者及低音提琴。

The design includes personally fabricating Dupi surrounding voice decipherer by using ordinary electronic devices, using DC control technology in the predrive amplified circuit and applying active servo-technology to the over-loaded low voice curcuit.

本文介绍了一种新型功率放大电路的设计，利用普通元器件自制杜比环绕声解码器，将直流控制技术应用到前置放大电路，将有源伺服技术应用到超重低音电路，各具特色，LM3886功率放大芯片，功率大，效果好。