BROOKS AUDIO DESIGN First Generation

A descriptive term meaning original (as opposed to a copy).

Compression Driver
The unit that feeds a sound pressure wave into the throat of a horn (in a horn loudspeaker).

Brooks Cinema XS - 45 Automatic Gain Control (Automatic Volume Control)
A compressor with a very long release time used to keep the volume of the audio very constant.

Integrated Circuit (IC)
A miniature circuit of many components in a small, sealed housing with prongs to connect it into equipment.

Brooks Cinema DESIGN ZL 44 Cable, TRS
A less common balanced cable that has 3 different contacts on its 1/4 inch connectors. Most headphone jacks are a good example of a TRS (Tip-Ring-Sleeve) connector. These are sometimes used instead of the more common XLR connection.

Expander
A device that causes expansion of the audio signal.

Condenser Microphone
A microphone which converts sound pressure changes into changes of capacitance. The capacitance changes are then converted into electrical voltage variations (an audio signal).

Compact Disc Recordable CDR
A blank Compact Disc that can be recorded on one time.