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I thank you both very much, you just saved me some money. Which believe me, I cannot afford to waste. Especially right now. (Like who can?) And you are right GroundUrMast, I would like to understand the technolgy but I'm afraid that my brain sometimes has trouble processing new information. Like "output impedance", for example. What the heck does that mean? Even the concept of impedance is hard to wrap the mind around. And is there any such thing as "input impedance"?
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