This radio is an experimental crystal set.

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The crystal set, constructed on some scrap plastic. Connections are made easier via the terminal strip on the side.


A pair of vintage headphones used with the set. Made by Allied Radio, 1925. Headset is plenty loud with an impedance of 4000 ohms.


-You may use a loudspeaker if you have a transformer who's primary is >2K ohms with a secondary close to the impedance of your speaker. mileage may vary depending on speaker size. experiment a little!

-For best results, use a LONG ANTENNA!