6p14的新玩法

步行者

简单点，用晶体管推动.

ZealotNH

用运放电压放大、倒相推6P3P做推挽攻放。
运放选择比较头疼，要有足够大的摆幅，好似NE5532也不是很够。
理论应该能响，未试过。
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yl300B