Fw: [請問] 這四種AV設備共用一個插座, 有危險嗎?
※ [本文轉錄自 Digitalhome 看板 #1L3CRsBP ]
我如果想同時使用下列四種AV設備, 那我就必須將它們接入一個具有過載自動斷電的
多孔插座, 然後將此多孔插座接入一個壁上插座. 此外別無選擇.
雖然這個多孔插座內建過載自動斷電保護機制, 但我仍想知道, 同時使用此四種AV設備時,
有無可能會過載? 若是有可能過載, 就須考慮有所取捨.
以下各設備的耗電量均係註記於該設備的說明書.
1. 電視機: 30W
2. 錄放影機 A: 33W
3. 錄放影機 B: 30W
4. 音響 Output power (RMS): 18W x 2
將以上每項設備的瓦特數加總, 共計 129W.
不過, 對於音響的耗電量, 我有個疑問. 所謂 Output power (RMS) 應該是指擴大機
向喇叭輸出的功率(對吧?). 我不懂音響, 但那台電視機本身的喇叭僅是 2W x 2,
而我將電視機的音量只開到一半, 就覺得很大聲了. 況且, 我絕不會將音響的聲音開到
擾鄰, 頂多跟使用電視機本身的喇叭一樣大. 所以, 我覺得, 那台音響實際使用時的
耗電量絕不會超過 2W x 2 = 4W
因此, 我認為, 上述瓦特數加總所得的 129W, 可以再從音響的部份扣掉
(18W x 2) - 4W = 32W,
然後, 129W 扣掉 32W, 剩下 97W. 如此一來, 應該就不會過載.
但我不敢肯定. 請指教.
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※ 轉錄者: drkh (36.228.38.36), 03/21/2015 09:19:10
※ 編輯: drkh (36.228.38.36), 03/21/2015 09:20:02
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※ 編輯: drkh (36.228.38.36), 03/21/2015 09:37:54
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