PHPWIND
HELLOCQ
UID:34740
UID:441756
UID:426769
UID:31224
UID:123
UID:566
防止mic信号过载,如果信号到0.6-0.7v,4148便导通。
UID:38275
UID:22144
如果是限幅的话,应该是两个管子正反相接才对
UID:1199
UID:48055
再问,4148何时会正向导通呢?
UID:11658
UID:94949
UID:28273
UID:37563
UID:39175
排队学习!!这是驻极体话筒代替动圈话筒线路吧?