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What equipment is included in a professional sound system?


At the end of the year, it is all kinds of parties, banquets, stage performances season. A good horse with a good saddle, excellent stage performance essential a set of professional stage sound equipment. At present, there are many kinds of stage audio equipment on the market, with different functions, which brings some difficulties to the choice of audio equipment. In fact, under normal circumstances professional stage audio equipment is by the microphone mixer amplifier speaker can be. In addition to the microphone, the sound source sometimes needs DVD, computer to play music, etc., can also be used only by computer. But if you want professional stage sound effects, in addition to the need for professional stage construction staff, but also add effects, sequencers, equalizers, audio processors and other audio equipment.

Sound mixer:

A sound mixing device that has multiple channel inputs, each channel of sound can be processed separately, and has left and right channel, mixed, monitored, etc. outputs. It is an important equipment for sound engineers, sound engineers and composers to create music and sound.

Power Amplifier:
A device that converts an audio voltage signal into a rated power signal for driving a speaker to produce sound. The matching condition of the power amplifier is that the output impedance of the power amplifier is equal to the load impedance of the speaker, and the output power of the power amplifier is matched with the nominal power of the speaker.

Audio Processor:
Audio processor, also known as digital processor, is the processing of digital signals, with a fixed internal processing module, such as frequency division, delay, mixing and so on. Used to connect the mixer to the amplifier, do signal processing purposes.

Effects:

Sound equipment that provides sound field effects, including reverb, time delay, echo, and special processing of sound.

Equalizer:

It is a device that promotes and attenuates different frequencies and adjusts the proportion of bass, midrange and treble.

Speaker:
A speaker is a device that converts an electrical signal into an acoustic signal. According to the principle, there are electric, electromagnetic, piezoelectric ceramic electrostatic and pneumatic.

Microphone:
A microphone is an electroacoustic transducer that converts sound into an electrical signal. It is a unit with the most types in the sound system. According to its directivity, it can be divided into non-directivity (round), directivity (heart-shaped, super-heart-shaped) and strong directivity. Among them, non-directivity is specially used for the band to pick up sound. Directivity is used for voice, song and other sound sources to pick up sound; strong directivity is specifically to pick up a certain direction of the sound source sound and to exclude the left and right sides and the back of the sound outside the microphone pick-up space, and specifically using the principle of mutual interference of sound waves, the use of sound wave interference tube production of a slender tubular microphone, people called gun microphone, used in the art stage and news interviews; according to the structure and application range, there are dynamic microphone, aluminum band microphone, condenser microphone, pressure zone microphone-PZM, electret microphone, MS stereo microphone, reverb microphone, tone change microphone, etc.

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