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How to judge the quality of the line array speaker system?

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How to judge the quality of the line array speaker system?

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The line array speaker system is a line array speaker. A set of high quality line array speaker system has a wide range of uses. While completing the live sound transmission, it can also bring more audiovisual experience to the audience, thus feeling the charm of the sound. However, how should we judge the quality of the line array speaker system? From the perspective of a R&D engineer and a systems engineer, you can judge from the following points:
 
First point, look at the impedance curve
Especially the bass, if the line array speaker system is not designed properly, the impedance curve will be quickly seen. According to the unit T/S parameters, the sound frequency is not bad. If the impedance curve shows that the volume is not enough, or The tuning is low, or the tuning is too high, or there is resonance, or the volume is too large, the low frequency will not be good. So looking at the impedance curve is a good way to judge the quality of the line array speaker system.
 
The second point, communicate with the developer
Before listening to the line array speaker system, if the speaker R&D staff can't find the factory to communicate with, it is often a plagiarized product. If the R&D staff can't tell his design ideas, the speaker is not expected to be very good. So, if you can, communicating with developers is a good shortcut.
 
The third point, whether it considers the flow of system support
Many of the line array speaker systems are used for mobile performance. If the line array's hanging parts, weight, and handle design are not considered for quick installation, the actual use will inevitably not meet the requirements of the performance. It is necessary to consider whether the system cabinet of the line array speaker system is simple to operate, small in size, light in weight, and whether the wiring and power supply inside the cabinet are connected. Is there a dedicated interface for easy connection on the front of the cabinet, and whether the processor is designed with standard The default program, whether to send the full frequency to the cabinet, full frequency and ultra low have no independent input and so on.
 
The line array speaker system is not a single source of full-range sound, it is composed of high and low woofer units or high school woofer units. Understand the sound of the line array speaker system, and with the above several methods that can be used to judge the quality of the system, I believe that we can choose a reliable and reliable line array speaker system among many products, so that in the process of use More secure.