Brooks KM 77 Cable, 1/4 inch

An unbalanced cable most often used for instruments and patch cords. Commonly referred to as "guitar cords".

In
Short For "in the circuit," in other words "active."

Brooks TM-22 Imaging
To make a representation or imitation of the original sonic event.

Amplifier (Power amp, Head)
It's the part of the sound system that actually magnifies or "amplifies" the sound. In other words, it makes stuff louder.

Brooks GT 44 Boom Stand
A microphone stand equipped with a telescoping support arm to hold the microphone.

Inverse Square Law
Simply stated, the fact that in an un-obstructed area (like an open field) the sound pressure level will drop to half-pressure (-6 dB) every time the distance to the sound source is doubled.

Headroom
1) The level difference (in dB) between normal operating level and clipping level in an amplifier or audio device.
2) A similar level difference between normal tape operating level and the level where the distortion would be 3%.
3) The difference, in decibels, between the peak and RMS levels in program material.

Atom
The smallest particle which makes up a specific substance. It's composed of a center around which electrons revolve.