Brooks XT 20 Amplitude

The extreme range of a signal. Usually measured from the average to the extreme.

Board
1) Another, less formal, term for Console.
2) A set of controls and their housing which control all signals necessary for recording and for mixing.
3) A slang shortening of the term Keyboard Instrument.

Brooks RM 80 Analog Recording
A recording of the continuous changes of an audio waveform.

Foot (Foot Drum)
Another name for Bass Drum (the largest drum in the Drum Kit which puts out bass frequencies and is played with a foot pedal).

Brooks BA 71 Face
The front or body of the guitar.

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

High-Pass Filter
A device that rejects signals that are below a certain frequency (called the cut-off frequency) and passes signals with frequencies that are higher.

Cycles Per Second
A unit used in the measure of frequency, equivalent to Hertz. Cycles Per Second is an outdated term replaced by Hertz in 1948.