測量喇叭訊號輸出+-極

  Рет қаралды 2,923

Rice

Rice

Күн бұрын

Пікірлер: 7
@20991314
@20991314 Ай бұрын
请问如果想要测量喇叭那头呢。。不拆喇叭的情况下。有没有办法测量
@Rice3322
@Rice3322 Ай бұрын
喇叭那邊可以用1.5V乾電池,接線下去看看振膜是往上還是往下,往上才是正確的
@chiuhungou5223
@chiuhungou5223 Жыл бұрын
這是測試喇叭電訊號來源的好方法。
@Rice3322
@Rice3322 Жыл бұрын
沒訊號源沒辧法找正負極
@ashini1334
@ashini1334 7 ай бұрын
請問下一條線 有2條顏色 不知道哪條正極哪條負極 要怎用電表測量˙!!!
@Rice3322
@Rice3322 7 ай бұрын
跟我影片的測試方式一樣,先把音樂放下去,有訊號源後,用數位電表量兩條線會顯示出正負極
@ashini1334
@ashini1334 7 ай бұрын
@@Rice3322 感謝你 我試試看看 感恩
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