Brooks RM 909 Automatic Gain Control (Automatic Volume Control)

A compressor with a very long release time used to keep the volume of the audio very constant.

FOH (Front of House)
Refers to the speakers that face toward the audience. Also called the "main" speakers.

Brooks RM 909 reviews Assistant Engineer
A less elevated version of the term Second Engineer. Experienced seconds often place microphones, operate tape machines, break down equipment at the session end and keep the paperwork for the session.

IC
Abbreviation of Integrated Circuit (A miniature circuit of many components that is in small, sealed housing with prongs to connect it into equipment).

Brooks Hi Fi reviews Grouping
1) Controlling the gain of several individual channels with a Group Fader.
2) The mixing together of several individual audio signals to send a mixed signal out of the console to record a track on a multitrack tape machine.

Ground Adapter Plug
Adapts a three pronged electrical plug to a two pronged wall outlet. This bypasses the ground and may create a hum in the system. A lack of a good ground can cause mild electrical shock when touching a microphone.

Line Out (Output, Send)
Where a signal leaves the board or component.

Line Out (Line Output)
Any output that sends out a line level signal, such as the output of a console that feeds a recorder.

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