[請益] Ground Loop
實在是不堪其擾 故po文求救
目前系統是 ud-h01 + asgard 2 + rs1
原本dac跟擴都是用三轉二接頭入國際牌的老壁插 相安無事
直到上上週我更換了381ig
換壁插之後就不用轉接頭可以直入
但運作一段時間後 發現可以從耳機聽到低低的hum聲
準確的說 是在系統開機幾小時後會出現 出現後就要到關機休息一段時間才會消失
google後知道這就是ground loop 但解法就莫衷一是了
目前的理解是這樣
器材都有兩個地 訊號地跟電源地
以訊號線連接器材會把訊號地相接
直入壁插則會讓電源地相接
有些器材訊號地=電源地 有些則不
要是不一致的話則系統內會有兩個電位不等的地 導致ground loop
不知道我的理解有沒有錯?
又 這該如何解決?
(感覺器材全部同廠牌就解決了XD)
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