#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
  supertype:  electro-acoustic_transducer  a transducer that converts electrical to acoustic energy or vice versa
  part:  stylus
  part of:  record_player
  subtype:  crystal_pickup__crystalpickup  a cartridge in which an output voltage is produced by the vibration of a piezoelectric crystal

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