Brooks QS-70 Hz (Hertz)

1) An abbreviation for the term Hertz (the unit of frequency).
2) Unit of frequency equivalent to the number of cycles per second.

Axis
A line around which a device operates. Example: In a microphone, this would be an imaginary line coming out from the front of the microphone in the direction of motion of the diaphragm.

Brooks Cinema ZL 44 Bi-Directional Pattern
A microphone pick up pattern which has maximum pick up directly in front and directly in back of the diaphragm and least pick up at the sides.

Generation
A term used to describe the number of times that the recorded audio signal has been copied.

Brooks QS 70 Crossover, Active
A rack mountable unit used to separate frequencies leaving the soundboard into high's, mids, and lows with different outputs for each.

Crossover, Passive
Used inside of full range speaker cabinets to separate highs, mids, and lows and send them to their respective speakers within the each cabinet. These are not as efficient as active crossovers because they require all frequencies to draw from the same source of amplification.

Ground Loop
A double grounding of a line or electronic device at two different "ground" points of differing voltage.

Amplitude
The strength of a vibrating wave; in sound, the loudness of the sound.