Sound equipment that converts the low voltage, low current signal from a tape deck, mixer etc. into a higher current signal suitable for driving speakers. See Power Amplifier, Crossover.
Circuit
1) One complete path of electric current.
2) Similar to definition 1, but including all paths and components to accomplish one function in a device.
BROOKS AUDIO reviews Amplitude
The height of a waveform above or below the zero line.
Dynamic Mic
Robust type of microphone which picks up the sound on a diaphragm connected to a coil of wire which moves within a magnet. An alternating current is induced into the wire which provides the electrical output. Most dynamic mics have low output impedance of 200 Ohms. See Condenser Mic.
Brooks Speakers reviews Compact Disc Recordable CDR
A blank Compact Disc that can be recorded on one time.
FOH (Front of House)
Refers to the speakers that face toward the audience. Also called the "main" speakers.
Bi-Amplification
1) A way of optimizing the efficiency of a speaker system by separately amplifying the High Frequency (HF) and Low Frequency (LF) portions of the sound signal and sending them down two pairs of cables to the speaker. Multipin Speakon connectors have been developed to do this.
2)The process of having of having low-frequency speakers and high-frequency speakers driven by separate amplifiers.
Ambience
The portion of the sound that comes from the surrounding environment rather than directly from the sound source.
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