Views: 0 Author: Site Editor Publish Time: 2023-06-21 Origin: Site
Is there no subwoofer in the home theater?
Is there no subwoofer in the home theater? What does the subwoofer do?
To answer this question, I think we must first understand the function of each speaker in the home theater audio system. If you must prioritize these speakers, I think the center speaker should be the first, and the second should be the subwoofer. As for the main speaker, surround speakers and the ceiling in the panoramic sound home theater audio system Speakers tied for third place.
Let me talk about the reason for this ranking. The center speaker is mainly responsible for the dialogue in the movie in the home theater sound system, so the sound is bright and magnetic, clear and thick is the basic requirement for the center speaker. At the same time, the center speaker runs through the entire film, occupying 65% of the frequency of use. From this point alone, it is not for nothing that the center speaker ranks first. The reason why we have an immersive feeling when watching a movie, and the hearty pleasure comes from the sound rendering of the low-frequency gun. Watching a movie is a clear picture, what is it listening to? What I heard was the shock of the sound. Think of the tremors of the earth during earthquakes and volcanic eruptions, the roar of airplanes and tanks, the explosion of cannons, the roar of giant beasts, the churning of internal organs and heartbeats when boxers hit each other's bodies, and the thunderous drums on ancient battlefields. . . . . . Which kind of sound does not come from the subwoofer? It can be said that without the subwoofer in the home theater audio system, there will be no shock of watching movies. The sound from the subwoofer is sometimes not a sound, but a kind of momentum. The subwoofer is the soul of the home theater audio system. Without the subwoofer, the movie will only be noisy. I won’t watch it anymore. I don’t know what you think.
Let me talk about the reason for this ranking. The center speaker is mainly responsible for the dialogue in the movie in the home theater sound system, so the sound is bright and magnetic, clear and thick is the basic requirement for the center speaker. At the same time, the center speaker runs through the entire film, occupying 65% of the frequency of use. From this point alone, it is not for nothing that the center speaker ranks first. The reason why we have an immersive feeling when watching a movie, and the hearty pleasure comes from the sound rendering of the low-frequency gun. Watching a movie is a clear picture, what is it listening to? What I heard was the shock of the sound. Think of the tremors of the earth during earthquakes and volcanic eruptions, the roar of airplanes and tanks, the explosion of cannons, the roar of giant beasts, the churning of internal organs and heartbeats when boxers hit each other's bodies, and the thunderous drums on ancient battlefields. . . . . . Which kind of sound does not come from the subwoofer? It can be said that without the subwoofer in the home theater audio system, there will be no shock of watching movies. The sound from the subwoofer is sometimes not a sound, but a kind of momentum. The subwoofer is the soul of the home theater audio system. Without the subwoofer, the movie will only be noisy. I won’t watch it anymore. I don’t know what you think.
It’s better than having a subwoofer in a home theater audio system, then you are enjoying a movie, and if you don’t have a subwoofer, you are watching the excitement. Next, let’s talk about the main speakers, surround speakers, and ceiling speakers in the panoramic sound home theater audio system. There is actually no primary or secondary function, but they are responsible for the ambient sound in each direction, that’s all.
合并式胆机还需要再加一个前级吗?很多烧友都有这样的疑问。这里有三个因素,一是音源输出的讯号是否大?很多外国CD机输出讯号偏小,加台前级可以放大讯号。二是音箱的灵敏度,灵敏度在90dB以下的音箱,加台前级,声音的表现会更好。三是胆机的放大量,增益30dB的标准合并式胆机,对输入讯号的放大量约15倍左右。而增益为20dB的合并式胆机,放大量约10倍,略显不足,动态会有欠缺。如果你对声音有很高的要求,最好再添一台前级做配套,将合并功放作为后级用。前级可以增10倍放大量,两台机加起来增益可达40dB。这时候,后级会推得更轻松、声音密度高、细节丰富、瞬态更强,音响系统的表现就非常完美了。
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