All you need to know before buying speakers for a subwoofer

Each of motorists seeks to refine and improve their car. One of the most common types of internal tuning in our country is the installation of an audio system. As a rule, car enthusiasts seek to install a component audio system. It is qualitatively different from its coaxial fellow, since it consists of several speakers, united in a common system. In the component audio system, high-frequency speakers (tweeters) are responsible for high frequencies, speakers in the normal range for medium frequencies, and special speakers for a subwoofer for low frequencies. In this article we will focus on the subwoofer.

subwoofer speakers

What is a subwoofer?

Consider what is this technique. A car subwoofer is a special music device that reproduces the lowest music frequencies in the range of 20-130 Hz.As a rule, it is used to give fullness to the sensations of a musical composition, for example, in cinemas they use speakers with a subwoofer so that the viewer is fully immersed in the picture of what is happening.

subwoofer speakers

Speakers

The speakers themselves for the subwoofer are large and have a sufficiently high power, since the small will not be able to fully reproduce the low frequencies. But for a more powerful sound and in order that there was no antiphase of sound, use a box. In this regard, the dynamics for the subwoofer are placed in special boxes, the parameters of which are calculated taking into account the power and size of the device. The subwoofer box must be completely sealed to avoid bass and chatter failure. Inside the seams are treated with a special sealant, and also sheathed with noise-absorbing material.

subwoofer with two speakers

Types of subwoofers

The next thing we will focus on are the types of subwoofers. All of them can be divided into two types: active and passive. An active subwoofer is a special speaker for low frequencies, in the box of which an amplifier is built-in. Inside the box of this instance, there is a subwoofer, an amplifier matched to it, a volume control and a separating filter.As a rule, this subwoofer is connected directly to the radio tape recorder, and on the device itself the frequencies are adjusted for synchronism with the car speakers. One of the advantages of an active subwoofer is a fairly low price, but the quality leaves much to be desired. A passive subwoofer is a sound system in which one or several speakers are mounted in a special box. Further, these speakers are connected to an external amplifier. The main thing you should pay attention to is the power of the amplifier, because the sound quality will depend entirely on this. Most often, our car enthusiasts first select the speakers for the subwoofer separately, then pick up the amplifier for them, and then with the help of a special program, calculate the volume of the box and start collecting it. After installation of the finished device it is connected in accordance with special rules. Subwoofer speakers are easy to buy from online stores or in the usual hardware and electronics markets.

subwoofer speakers

Subwoofer application


The scope of application of these types of subwoofers is very large. For example, any of them can be used both in home audio systems and in the car.But if at home the size and power do not matter, then in the car it is very important to take into account certain parameters. In the machine, the following parameters are mainly used in the selection of the box: the size of the subwoofer, the tightness of the box, the maximum power reserve, the removal of the diffuser and its resistance to mechanical factors. Also, the sound mainly depends on the car body. For example, a larger base should be used on a larger base. And sometimes, in order to really feel the bass, you should install two devices or one subwoofer with two speakers.

subwoofer speakers

How to make a subwoofer


In the manufacture of subwoofers use several types of boxes:

1. The closed box is the classic and most common option of all boxes. This is the simplest option in the manufacture, with the entire structure must be perfectly sealed. The disadvantage of this option is that the sound propagates only in one direction, and the main part of the efficiency is converted into heat. To combat excessive heat, the inside of the box is sheathed with heat-absorbing material.

2The next type of box is the phase inverter box. In this variation, the box is connected to the environment with a special pipe that passes through the front wall. Contrary to many opinions, the handset does not interfere with the sound in any way, but, on the contrary, amplifies it. This box significantly (up to several times) increases efficiency, but at the same time a certain clarity in sound disappears.

3. The highest quality in terms of both sound and efficiency is a four-wave box. In size it is large enough. In the third of the front wall are installed speakers for the subwoofer, and then there are turns of the box. But It is worth noting that the production of this option is the most difficult.

Before you buy, pay attention to ...

When building a box, you should not forget about the main characteristics of the speakers. After all, one type is well affected by a closed box, and the other is an open one. A car subwoofer is the very thing that requires a very subtle selection of related components. And also attention should be paid to the manufacturer's brand and reviews on this product.

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