特殊DIY的新手擴大機+喇叭問題 - 喇叭
By Lily
at 2015-10-17T12:40
at 2015-10-17T12:40
Table of Contents
各位前輩好，因為小弟非相關領域，用途又比較特別，爬了文後也找不到相關資料，
因此PO文請教
主要的用途是長時間在戶外播放音樂，由於沒有電源，最近的市電(110V)在200公尺外
而且電壓還不到100V...之前好傻好天真買了幾綑50M電線想拉電過去接便宜電腦喇叭
但完全沒反應，喇叭電源顯示燈都不會亮，因此想自己DIY用電池供電，然後更換電池
聲音來源為錄音筆，DIY把3號電池改成1號電池增加電量
為了怕濕氣的影響，網路上找了船上用的單體喇叭(25W 4歐 5吋 80Hz-20kHz)
不過由於是被動喇叭，即便直接由錄音筆連接喇叭，音量當然不夠
所以想請教要是搭配網拍的便宜功放模組(3.7v-5v 3W)，使用18650鋰電池並聯提供電源
由錄音筆連接功放模組再接到上述的喇叭這樣可行嗎?
另外要是先在市電端加一個不斷電UPS當做穩壓器，拉電線過去後再接一個UPS
有辦法直接使用一般電腦喇叭嗎?
還請各位前輩不吝指教
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喇叭
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