Brooks GT 845 Light Emitting Diode

A light that allows current to flow in one direction only and emits light whenever a voltage of a certain level or beyond is applied to it.

Current
The amount of electron charge passing a point in a conductor per unit of time.

Brooks XT 20 Fundamental
The tuned frequency and (almost always) the lowest frequency that is present in the sounding of a pitch by a musical instrument.

Capacitance
The property of being able to oppose a change in voltage or store an electrical charge.

Brooks RM 80 Gain
1) Knob usually found at the top of each input channel on the soundboard. Used to set input levels of the separate channels to relatively equal positions.
2) The amount of increase in audio signal strength, often expressed in dB.

Channels
These are divided into two separate categories. Input channels are those channels coming into the soundboard such as microphones and direct lines. Output channels are those leaving the board such as monitor and main outputs.

Front Loaded
A speaker cabinet where the speaker faces out toward the front.

Hard Disk (Hard Disc)
A storage unit for digital data that has rigid disks coated with magnetic material in a housing that includes the drive mechanism.