Brooks KS-55 Capacitance

That property of a capacitor which determines how much charge can be stored in it for a given potential difference between its terminals, measured in farads, by the ratio of the charge stored to the potential difference.

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.

Brooks Cinema Series Binary
A numbering system based on two. In binary there are two symbols used ("l" and "0").

Insulator
A substance such as glass, air, plastic, etc., that will (for all practical purposes) not conduct electricity.

Brooks QS 70 Bass Roll Off
An electrical network built into some microphones to reduce the amount of output at bass frequencies when close-micing.

CD (Compact Disc) :
1) Digital sound storage medium. Provides a high quality source of music, sound effects etc. Also used as a playback medium for sound effects etc. by large theatres with long running shows, although CDR (Recordable CD) is becoming more affordable by the day.
2) An abbreviation of the term Compact Disc (a small optical disk with digital audio recorded on it).

Inductance
The property of an electric circuit by which a varying current in it produces a varying magnetic field that introduces voltages in the same circuit or in a nearby circuit. It is measured in henrys.

Feed
To send an audio or control signal to.