The main disadvantage of push-pull class A amplification over single-ended class A, is the necessity for a phase splitter stage to generate the oppositely-phased drive signals.
的主要缺点推挽放大了A类单端A类，是有必要的一个阶段分流阶段产生相反相驱动信号。
2
For audio amplification, a class a amplifier can be either single-ended or push-pull.