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Earphone for Crystal Radios

$5.40

Product: (in stock)

Description

With its sensitive piezoelectric element, this monaural earphone amplifies low-level audio signals from crystal radio sets for audibility. It is the classic component used to convert demodulated signals from the radio into sound, and is powered solely by radio waves. It makes a great option for the Carolina® AM Crystal Radio Kit (item #754010).

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