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Home › Magazines › 2000 › July › Diode Radio for Low Impedance Headphones

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Diode Radio for Low Impedance Headphones

Published in issue 290, July 2000

If you ever look at construction notes for building old detector type radios the type of headphones specified always have an impedance of 2 × 2000 ?. Nowadays the most commonly available headphones have an impedance of 2 × 32 ?, this relatively low value makes them unsuitable for such a design. However, with a bit of crafty transformation these headphones can be used in just such a design.

Click below to download a PDF copy of this article from Elektor magazine.

 

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PDF Article (E007048.pdf)
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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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