[問題] Class A/ 前級?
一點點關於擴大機/DAC的問題
1.前級擴大機通常是帶有解碼功能嗎?還是說只要能夠綜合許多訊源輸入就算是前級了?
還是說有解碼功能就是DAC不是前級?
2.前級擴大機的擴大功能(音量?)會影響到後級擴大機嗎?
換句話說,若前級已經擴大了一些,後級就比較不需要花那麼多力氣擴大囉?
3.Class A的放大線路是最好的嗎?Class D是最省電?
有的耳擴也沒有說明他是使用甚麼Class,只有說是OP線路,那是甚麼意思呢?
還是說擴大不是線路是晶片?
4.平衡輸出是不是比較好推呢?是因為兩個聲道分別由同樣等級的放大線路來推動,
所以效果會比較好嗎?
抱歉因為沒有電子學的背景.....也爬過一些相關的文(google過)
還是有些疑惑......
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