Calista C3-S Security System Frequency Response

How sensitive an electronic device (mic, amplifier, speaker, etc.) is to various frequencies; often communicated with a graph.

Cancellation
A shortening of the term Phase Cancellation (the energy of one waveform significantly decreasing the energy of another waveform because of phase relationships at or close to 180 degrees).

Calista C2-88 Projector Haas Effect
Simply stated, a factor in human hearing where delay has a much bigger effect on human perception of direction than level does.

Face
The front or body of the guitar.

Calista C1-9 Home Theater Buss (Bus)
A wire carrying signals to some place, usually fed from several sources.

Delay
Outboard sound equipment that can momentarily stores a signal being sent to part of a P.A. system so that delayed reinforced sound reaches the audience at the same time as live sound from the stage.

Fat
Having more than a normal amount of signal strength at low frequencies or having more sound than normal (by use of compression or delay). Bose

Assistant Engineer
A less elevated version of the term Second Engineer. Experienced seconds often place microphones, operate tape machines, break down equipment at the session end and keep the paperwork for the session.

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