dubdown noun2 •The process of remixing audio tracks to use fewer tracks.In this application, the loudspeaker monitor is the standard by which recordings are judged—from initial microphone placement, through mixing and dubdown, to final mastering. — 1971 •The result of a dubdown.You certainly should have the final dubdowns of your playbacks from the sixteen track to the three-stripe 35mm. — 1980 formsdubdowns