Why are audio transformers required

Posted on Feb 4, 2014

It has an audio transformer. I`m still attempting to grasp the concept of impedance and such, so can someone explain why this is necessary And how would such a transformer even work to change the impedance What would be the difference if you didn`t use an audio transformer @Leon Heller - It is unusual - looks like what you see with eg ZN414 receivers

Why are audio transformers required
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where power feed and audio are combined. And RF too in extreme cases :-). Russell McMahon Dec 14 `11 at 21:34 I`ve added the link to where I found that schematic. I didn`t realize it would be such an odd schematic since it was suppose to be a learning resource Earlz Dec 14 `11 at 22:10

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