PURPOSE: To provide the convenience for a user in a mixer job site by constituting the script placing table so that it can be moved quickly to a position in which it does not stand in the way to a mixer switch operation, and also, the script placing table can be removed by raising it simply, when it is unnecessary.

CONSTITUTION: The audio mixer is constituted so that rails 2, 3 being parallel to each other along the left and the right directions are provided on the upper and the lower sides of an operating panel of the audio mixer, leg parts 5, 6 are provided on the upper and the lower sides of a script placing table 4, and these leg parts 5, 6 are placed on the rails 2, 3 so that the script placing table 4 can be moved on the operating panel.