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crystal microphone
noun
a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
Example Sentences
The grand final of the Eurovision Song Contest has concluded in Liverpool, where acts from 26 countries competed to win the crystal microphone.
The crystal microphone was auctioned on Facebook, with the aim of buying drones for Ukraine's military effort.
The crystal microphone was auctioned on Facebook, with the aim of buying drones for Ukraine's military.
On Sunday they sold the crystal microphone they were awarded in a Facebook auction led by Ukrainian TV presenter Serhiy Prytula.
He adopted the same method of modulation using a record player amplifier and an Astatic crystal microphone.
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