auto-changer

English Thesaurus

1. an automatic mechanical device on a record player that causes new records to be played without manual intervention (noun.artifact)

hypernym	:	mechanical device,
definition	:	mechanism consisting of a device that works on mechanical principles (noun.artifact)

part meronym	:	phonograph, record player,
definition	:	machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically (noun.artifact)