Brooks KS-55 Gain Structure

The way in which the gain varies in the stages or sections of an audio system.

Cancellation
A shortening of the term Phase Cancellation (the energy of one waveform significantly decreasing the energy of another waveform because of phase relationships at or close to 180 degrees).

Brooks XB 22 Foot Switch
A switch placed on the floor and pressed by a musician to do various functions.

Ambient Field
A term with the same meaning as the term Reverberant Field (the area away from the sound source where the reverberation is louder than the direct sound).

Brooks GT 44 Amplifier
Sound equipment that converts the low voltage, low current signal from a tape deck, mixer etc. into a higher current signal suitable for driving speakers. See Power Amplifier, Crossover.

Key
The control of a dynamics processing device by an external audio signal.

Linear
The condition of obtaining a change at the output of the device which is proportional to the change occurring at the input.

Action
In guitar playing, action refers to how far the strings sit off of the guitar neck. When strings are close to the neck, it is referred to as "Low Action". When the string sit far above the neck, it is called "High Action". Guitars with low action are easier to play, but make sure they are not too close, or it could causing buzzing.