[問題] VU METER
想請問一下各位
這張電路圖中的R1是什麼 ??
http://www.pira.cz/enbar.htm
AUDIO IN是直接焊上音源線就能接手機了嗎
但是有辦法把音源線的左右聲道弄在一起嗎??
還是只能挑一邊焊
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