equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)

instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity

electronic equipment consisting of a combination of a radio receiver and a record player

machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically

electronic equipment for making or playing magnetic tapes (but without amplifiers or speakers); a component in an audio system

audio system for recoding sound

an audio system that can reproduce and amplify signals to produce sound

electronic equipment consisting of a combination of a radio receiver and a record player

machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically

electronic equipment for making or playing magnetic tapes (but without amplifiers or speakers); a component in an audio system