看到一條滿平價的純銅線
http://home.kimo.com.tw/abramsk.tw/diy/act065.htm
內容有提到中央那條有"回火處理"
什麼是回火處理...有什麼用途
或只是讓它改變顏色好辨識而已
我想拿來做音箱內接線
組裝音箱準備動工
也盼各位先進給點意見
EMF Control System
This technology is a solution to prevent Electromagnetic Field (EMF) interaction between the signal carrying conductors in the eXpress 4 and eXpress 6 cable system.
When a signal is transported along the length of a conductor, a magnetic field is generated that surrounds the conductor. When two conductors are used to complete a circuit, this magnetic field can give rise to circulating eddy currents between the conductors - resulting in distortion.
In the eXpress cable system, EMF interaction is reduced by incorporating a set of “passive” buffer conductors between and/or on either side of the signal carrying conductors.
You’ll notice that the EMF buffers also use the Eichmann Ratio formula.
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