Calista C3-S Security System Amplitude

The extreme range of a signal. Usually measured from the average to the extreme.

Analog (Analogue)
Representative, continuous changes that relate to another quantity that has a continuous change.

Calista C1-9 Home Theater Frequency Shift Key / FSK
The full name for FSK (A simple clock signal that can be used to run a sequencer in time with an audio tape).

Boundary Mic
A microphone mounted on a flat plate that acts as a reflective surface directing sound into the mic capsule. Used for general pick-up over a large area. See PCC, PZM.

Calista C2-88 Projector Boom Stand
A microphone stand equipped with a telescoping support arm to hold the microphone.

Attenuator (Pot)
The electronic dohickey under the knobs that increases or reduces the strength of the signal running through it. When these get old and dirty, they can make popping noises or rumbles in your PA (As in "my pots are dirty").
Assign Tochoose to which place an output is going to be sent.

Crossover
1) A route leading from one side of the stage to the other, out of the audiences view.
2) An electronic filter in a sound system that routes sound of the correct frequency to the correct part of the speaker system. Different speakers handle high frequencies (tweeters) and low frequencies (woofers). Sometimes known as a crossover network. An active crossover splits the signal from the mixing desk into high, mid and low frequencies which are then sent to three separate amplifiers.
3) An electrical circuit that divides a full bandwidth signal into the desired frequency bands for the loudspeaker components. Calista Reviews

Active Crossover
Uses active devices (transistors, IC's, tubes) and some form of power supply to operate.

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