Noun | 1. | ![]() audio system, sound system - a system of electronic equipment for recording or reproducing sound cartridge, pickup - an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable acoustic gramophone, gramophone - an antique record player; the sound of the vibrating needle is amplified acoustically jukebox, nickelodeon - a cabinet containing an automatic record player; records are played by inserting a coin machine - any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks radio chassis - a chassis for a radio receiver auto-changer, record changer, changer - an automatic mechanical device on a record player that causes new records to be played without manual intervention pickup arm, tone arm, pickup - mechanical device consisting of a light balanced arm that carries the cartridge turntable - a circular horizontal platform that rotates a phonograph record while it is being played |