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manufacturer: Philmore
manufacturer part number: 748


This high-impedance crystal earphone/earpiece is perfect for all sorts of primitive radio projects. Based around a sensitive piezoelectric element, this monaural earphone is capable of producing sound from very weak audio signal sources, such as those produced from crystal radio sets and early transistor radios. The impedance of this earphone is approximately 20K Ohm. The earpiece is made to be inserted directly into the ear canal.

The attached wires are thin and relatively flexible, and are terminated with two stripped and tinned leads.
QTY: 1 x Crystal Earphone



Click here to read the California regulatory warning.