Appearance Background and Application of Line Array

The line array speaker system is composed of a row of sound radiation units arranged in a straight line and spaced very small from each other. These acoustic radiating elements are equal in phase and amplitude. And because the line array speaker system has good directivity in the vertical direction, it has an excellent performance in occasions where the venue is large and the listening area is far away.

Here is the content list:

• The background of the appearance of the line array

• Line array speaker system is useful in large shows

The background of the appearance of the line array

American scientist Olson proposed in 1957 that linearly arranged loudspeakers will have good long-distance radiation capabilities. This is also the theoretical support of line array. The reason for this is that sound sources arranged linearly have good directivity in the vertical direction. In the 1970s, people were obsessed with rock and roll, with crowds of more than 100,000 at some large concerts. The immaturity of the sound reinforcement system has added a lot of difficulties to large-scale performances. The commonly used sound reinforcement system at that time was to stack dozens of large-sized speakers together for sound reinforcement. Although the output power of this sound reinforcement system is extremely high and the sound pressure level is very high, its problems cannot be ignored. The main reason is that the system needs to use a large number of speakers, which brings a lot of difficulties in transportation and installation. At the same time, this system of stacking a large number of speakers will cause serious interference between the speakers, and the decline in sound quality and poor directivity is very distressing.

Line array speaker system is useful in large shows

The sound reinforcement system plays a very important role in the concert. No matter what kind of concert or music festival, it depends on the sound reinforcement system. As a semi-open sound field, the stadium is subject to various interference factors, the architectural acoustic structure is poor, and the sound reinforcement is difficult. Therefore, it is particularly important to study how to install and use the line array speaker system in large sports venues.

In various large-scale stadiums or large-scale outdoor performances, providing a sufficient sound pressure level and sufficient power margin is the priority of the sound reinforcement system. Secondly, due to the large depth of the listening area, there are stands above the ground on both sides of the listening area, so the sound pressure level in the sound field must be evenly distributed to ensure the clarity of language and music.

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