Improperly tuned crossovers and balancers.KTV audio manufacture

　　Improper use of dividers

　　Improper use of the crossover point at the input, or unreasonable operating frequency range of the speaker is also a cause of damage to the tweeter. When using the frequency divider, the frequency division point should be reasonably selected according to the operating frequency range of the loudspeaker provided by the manufacturer. If the crossover point of the tweeter is selected to be low and the receiving power is too heavy, it is easy to burn the tweeter, and the same is true for the midrange horn.

　　Improper adjustment of the balancer

　　The adjustment of the balancer is also crucial. The frequency balancer is set up to compensate for the various defects of the indoor sound field and the uneven frequencies of the speakers. It should be debugged with a practical spectrum analyzer or other instruments. The transmission frequency characteristic after debugging should be relatively flat within a certain range. Many tuners who do not have sound knowledge stop debugging at will, and even quite a few people raise the high frequency and low frequency of the equalizer too high, forming a "V" shape. If these frequencies are increased by more than 10dB compared with the midrange frequency (the adjustment amount of the balancer is generally 12dB), not only the phase distortion formed by the balancer will seriously color the music sound, but also it is easy to form a sound tweeter. Burning, this kind of situation is also the main reason for burning the speaker. Of course, the design of the sound system should be based on practical conditions, such as the size of the venue, its use, and the construction of sound conditions.

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