The 6907 is an octal power tube with a 12-pin base. It was a popular vacuum tube produced in the 1950s by Raytheon and has a plate dissipation of 30W. The 6907 has an internal screen voltage regulator and was popular in audio amplifiers of the time. It is a type of vacuum tube, or electron tube, in which a vacuum or a low pressure gas is used to control the flow of electrons between a hot cathode and a control grid. Vacuum tubes are used in the electronic circuits of devices such as amplifiers and radios.