Brooks GS 15 Absorption

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

Fletcher Munson Effect
A hearing limitation shown by Fletcher Munson Equal Loudness Contours (as music is lowered in volume, it is much more difficult to hear bass frequencies and somewhat harder to hear very high frequencies).

Brooks Speakers Headphones
Devices that can be worn on the head with small speakers that fit over the ears (or sometimes into the ears).

Arc
The visible sparks generated by an electrical discharge.

Brooks QS 70 Attenuator (Pot)
The electronic dohickey under the knobs that increases or reduces the strength of the signal running through it. When these get old and dirty, they can make popping noises or rumbles in your PA (As in "my pots are dirty").
Assign Tochoose to which place an output is going to be sent.

Capacitor
1) A device consisting of two or more conducting plates separated from one another by an insulating material and used for storing an electrical charge. Sometimes called a condenser.
2) An electronic device that is composed of two plates separated by an insulator.

Full
A quality of the sound of having all frequencies present, especially the low frequencies.

Electret Condenser
A condenser microphone that has a permanently polarized (charged) variable capacitor as its sound pressure level sensor.