Do you know how the subwoofer speakers should be configured?Learning audio price

　　The subwoofer speaker is also a speaker used in a variety of scenarios, so how to configure the subwoofer speaker? Let Jazz Dragon explain it to you.

　　First, look at the occasion. Different usage occasions have different configuration requirements. For example, as a theater, it is required to configure a subwoofer, but it depends on what type of theater it is. Because the requirements of an opera house, a drama theater, a dramatic theater, or a concert hall are different. But I think it is like opera house, concert hall, etc. In principle, such theaters should be equipped with 2-4 subwoofers. But as an entertainment venue like a show bar, a slow shake bar or a di bar. For such places, in principle, more subwoofers should be configured. Usually 6-8, more than a dozen. Another example is the multi-function hall inside the unit. It is necessary to consider whether the meeting is the main one or the activity is the main one, which should be treated differently. If it is mainly for conferences, there is no need to configure it. If it is mainly for activities, it should be equipped with 2 subwoofers. (The above refers to the general situation)

　　Second, what type (or specification) of subwoofer should be used. Since the subwoofer has 12", 15", 18" or 24" and other different specifications. So how to choose? It depends on whether our entire application emphasizes the power of the bass or the depth of the bass. For example, in the Di Bar, we should emphasize the strength of the bass. If it is in the theater, we should emphasize the depth of the bass dive, and we should pay attention to the connection of the low frequency frequency and the need for the sound pressure level in the entire audio range. For example, we choose a 12" woofer for a full-range speaker. Generally, a 15" woofer should be selected for a subwoofer box. For example, a 18" woofer should be selected for a full-range speaker. Generally, a 18" or 24" woofer should be selected for the subwoofer box. , can not be a full-frequency box is 12 "subwoofer 18".

　　Third, how to place the subwoofer is often overlooked by everyone. Actually this is very important. It is generally believed that the propagation of low-frequency sound waves has no direction, so the subwoofer can be placed arbitrarily. But in more cases, for the sake of beauty, two subwoofers are placed on both sides, or the subwoofer box is simply hung up. Actually this is not the best placement method.

　　Due to the long wavelength of low-frequency sound waves, low-frequency sound waves are prone to diffraction, especially in the front and rear of a box or in multiple boxes at different positions and different phases. Therefore, we cannot place them arbitrarily. For example, in the speakers of the cinema, all the speakers must be placed in accordance with the requirements and then equipped with sound baffles, which greatly reduces the diffraction and interference caused by sound waves, and will greatly improve the sound quality. Another example is that there are many Di Bars that reasonably stack all subwoofers together, which is an effective way to increase the low-frequency sound pressure level. Generally, placing two subwoofers side by side can increase the sound pressure by 3db, and so on. If the subwoofer is placed on the ground, it will increase the sound pressure by 3db compared to hanging and shelf. Of course, you must pay attention to the polarity when wiring. What is the concept of 3db here? 3db is to double. So it's pretty impressive.

　　Therefore, in specific practice, we can stack the subwoofers that were originally placed on both sides separately, and place them in the middle or on the side, which will not affect the sound image positioning, but also enhance the low-frequency sound pressure (similarly reduce the configuration). It can be placed like this in places such as slow shake bars or disco bars.

　　Finally, I would like to remind everyone that the position of placing the subwoofer speaker must be solid and close to the ground, not overhead, otherwise it will easily cause resonance and affect the sound quality.

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