Brooks GS 15 Bi

A prefix meaning two.

Line In (Input, return)
Where a signal enters the board or component.

Brooks Cinema TX 509 Generating Element
The portion of the microphone that actually converts the movement of the diaphragm into electrical current or voltage changes.

Delay
Outboard sound equipment that can momentarily stores a signal being sent to part of a P.A. system so that delayed reinforced sound reaches the audience at the same time as live sound from the stage.

Brooks M 44 Echo Send
The output of a console used to send a signal to an echo chamber or delay effects device.

Controller
1) In MIDI, a device that generates a MIDI signal to control synthesizers, sound modules or sample playback units.
2) A remote control unit for a multitrack tape machine which controls transport functions as well as monitor selection switching functions and record ready/safe status of each track.
3) Any device generating a control voltage or signal fed to another device's control input.

AC
1) Abbreviation for alternating current.
2) An abbreviation of the term Alternating Current (electric current which flows back and forth in a circuit; all studio signals running through audio lines are AC).

Level
Sets output volume of individual PA input channels. Usually positioned as sliders at the bottom of the soundboard.