Why should the speaker be packed in the box?

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Why should the speaker be packed in the box?

2023-03-06 10:30:53

Have you found the combination speakers used in various occasions, and its speakers are placed in heavy wooden boxes. So, why should the speaker be packed in the box?

The speaker is installed in the box and becomes a speaker.It turns out that the speaker is installed in a wooden box to make a sound box because of the acoustic principle. We take the speaker out of the box and let it sound naked, how will the sound be heard? If the output power of the sound is the same, we will obviously feel that the sound has become smaller.That is the volume has become smaller.

Why does the volume become smaller? When these two waves travel to the human ear, if one wave is a crest and the other wave is a trough and arrives at the human ear at the same time, because the sound waves are superimposed on each other, the waves at the meeting will cancel each other out, so that they cannot be heard or are obviously weakened . Of course some regions may be strengthened, that is to say, the two waves interfere.

Therefore, in order to prevent the sound emitted from the rear of the speaker from leaking to the outside, it is covered with a strong box, which is the speaker. In this way, the sound emitted in front of the speaker will not appear interference cancellation phenomenon. In this way, the volume will not be reduced.

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