#crystal_pickup__crystalpickup  a cartridge in which an output voltage is produced by the vibration of a piezoelectric crystal
  supertype:  #cartridge.electro-acoustic_transducer__pickup  an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable
  part:  #crystal.component  a crystalline element used as a component in various electronic devices

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