£ 7.86
Tuidzljd Crystal Radio It Has an Impedance Matching Transformer Can Receive Signals Normally DIY Kit
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Description
Amazon
A must-go for radio enthusiasts. This radio already has an impedance matching transformer, so you can use low-impedance headphones. The key to the success of a crystal radio is to be to connect a very long antenna (preferably over 10 meters) and a good ground wire! Low-impedance headphones are fine. No headphones are provided. Bring your own headphones! The reception conditions in different places are also different. If you have the ability to , you can change the number of turns of the magnetic bar coil to receive more radio stations in a range.
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Description
(1)
A must-go for radio enthusiasts. This radio already has an impedance matching transformer, so you can use low-impedance headphones. The key to the success of a crystal radio is to be to connect a very long antenna (preferably over 10 meters) and a good ground wire! Low-impedance headphones are fine. No headphones are provided. Bring your own headphones! The reception conditions in different places are also different. If you have the ability to , you can change the number of turns of the magnetic bar coil to receive more radio stations in a range.
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