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What speaker is suitable for speaker array
Sound arrays are commonly used in outdoor and large-scale artistic performances as a means of sound reinforcement. Their operating principle involves arranging speakers vertically, with each speaker having a conical radiation space. The sound pressure within this conical space is compressed to create a lateral elliptical coverage area, which ideally aligns with the position of the audience. This configuration forms the basis of a sound array's operation. For instance, in an outdoor setting like a stadium or plaza where the lateral sound field is expansive, multiple sound arrays can be integrated into a single system.
Each speaker in the array can be adjusted in terms of its suspension direction and angle. By tweaking these angles, the radiation axis of each speaker can be precisely aligned with the audience’s location. Additionally, adjusting the angles of multiple speakers ensures comprehensive coverage across the entire audience area. The radiation patterns of sound arrays typically fall into two categories:
A. Concave Mode: This is ideal for auditoriums with broad sound fields. It allows for long-distance sound projection.
B. Horizontal Mode: Suitable for sound fields with significant depth, maintaining a long radiation distance.
The adjustment process involves modifying the suspension angles of each speaker using adjustable screws. These adjustments are made based on design specifications, with typical angles ranging between 0° and 7.5°. Outdoor performances pose significant challenges due to the absence of reflective surfaces like walls or ceilings. Unlike indoor environments where sound waves bounce back, outdoor settings behave more like vast, open spaces where sound dissipates quickly. Consequently, the energy loss is substantial, and to meet the demands of large-scale performances, the total sound power required outdoors is often 3 to 10 times greater than what is needed indoors. For example, to cater to large-scale artistic events, sound systems often need to handle tens of thousands of watts.
Undertaking the organization of large-scale outdoor performances requires absolute mastery of audio equipment, human resources, and technological expertise. Mishandling can lead to catastrophic outcomes, as evidenced by incidents abroad where sound system failures resulted in fatalities. If you must take on such tasks, it’s advisable to collaborate with two or three artistic groups or major audio companies to ensure success and safety.
In conclusion, sound arrays are indispensable tools for amplifying sound in challenging outdoor environments. However, their deployment demands meticulous planning and execution, ensuring that every aspect of the performance, from technical setup to safety measures, is thoroughly addressed.