[問題] 關於USB電源處理
小弟最近想改善電源的部分,
器材就是單純一台LA100 + 原廠交換式變壓器和USB小黑線
近期內是預計先購入鐵殼USB 3.0 (amazon 很紅的那款)
爬文有提到說直接將5V pin貼掉, 是最為經濟的做法
但另小弟不解的是, 如果只是單純想隔離電腦內部的髒電源,
那是不是一開始從電腦->HUB端的USB線, 將他的5V貼住就好了呢?
在友站有人提到這個做法, 但爬板上發現似乎不可行? 想請問原理是...?
如果不行的話, 勢必一定要上分離線才有辦法囉...?
另外假如電腦->HUB, HUB->DAC, 都使用分離線並接5V之霸...(沒錢用線性電供)
HUB本身還必須接上交換式變壓器嗎? 因為其他文章有提到說3.0有燒器材的風險...
所以想確認一下, LA100對小弟來說就相當貴了... 冏 不敢有閃失...
問題整理: 1. 在不另接USB分離線下, 能否將電腦->HUB端之USB線的5V貼住?
2. 如果全上分離線, HUB本身是否需要另外以變壓器再供電?
3. 不太清楚3.0會燒器材的原由, 不知道能否指點一下小弟...?
4. 如果不上分離線, 不貼5V, 只在中間多加入一個鐵殼HUB, 是否能些許改
進音質? 如果是, 是因為透過HUB的外接變壓器, 讓供電增強的因素嗎?
問題有點多, 真的很不好意思,
但爬文爬了很久, 真的還是一知半解, 希望有板友能指導一下小弟...
非常感謝 T.T
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