Brooks Cinema XR 607 Absorption

Short for the term Acoustical Absorption (quality of a surface or substance to take in, not reflect, a sound wave).

Guitar Processor
A unit that will add effects to a direct guitar signal, including a simulated instrument amplifier sound and (often) delay and reverb effects.

Brooks Cinema TX 509 Key
The control of a dynamics processing device by an external audio signal.

Golden Section
A ratio of height to width to length of a room to achieve "good acoustics" and first recommended by the ancient Greeks. The ratio is approximately the width 1.6 times the height and the length 2.6 times the height

Brooks GT 44 Lead
The musical instrument that plays the melody of the tune, including the vocal.

Headstock
The area of the guitar at the end of the neck where the strings are tuned.

Ground Lift
A switch that breaks the connection between the ground point in one circuit and the ground point in another circuit.

Full Step
A change in pitch that occurs when moving up or down two piano keys