#record_changer__auto-changer__changer  an automatic mechanical device on a record player that causes new records to be played without manual intervention
  supertype:  mechanical_device  mechanism consisting of a device that works on mechanical principles
  part of:  record_player__phonograph  machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically
     part of:  audio_system__audiosystem__sound_system__soundsystem  a system of electronic equipment for recording or reproducing sound

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