The crossover for the speakers - what is it and what is

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2018-04-02 16:16:13

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When you install a modern stereo system in a car the owner needs to choose the right crossover. This choice is quite simple if you know and understand what it is and what it is designed for, and as part of a systems this device will work. So, let's see what the crossover for the speakers.

Description, purpose

Crossover – it is special equipment in the speaker system, the main function of which is to prepare the desired frequency range for each speaker. As you know, any speaker system designed for a specific range of operating frequencies. The output signal is fed to the column, beyond the boundaries of the range can lead to audio distortion. crossover for the speakersSo, if you submit to the speaker too low for him the frequency, while the sound picture will be distorted. If the frequency is too high, then the system owner will be able to face not only with a distorted sound, but with the failure of the high-frequency dynamics. The latter simply can not withstand this operation.

Under normal circumstances, the function of the high frequency speaker-plays sounds only at high frequencies. Low-frequency acoustic systems are working separately. Sometimes set even in different areas of the cabin. The same goes for sounds of medium frequency. They are served only on the speaker, outstanding MIDs.

Therefore, for high-quality playback of music tracks in the car it is necessary to emphasize certain frequencies and feeding them strictly on the specific dynamics. For this and need a crossover for the speakers.

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How

The design of the device is quite simple. This dual filter operates on the following principle. So, when the crossover frequency is 1000 Hz, one of the two filters will be to allocate frequencies lower than this value. The second filter will work with the frequency band higher than the mark. Filters have names. Low-pass is designed to work with low frequencies up to 1000 Hz. Hi-pass will process only the frequency in the range above 1000 Hz. active crossover

According to this principle operate two-way device. However, in the modern market, there are three band crossover. The main difference here – this is another filter that can handle the middle frequency range from 600 Hz to 1000 Hz.

More channels of filtering audio frequencies and feed them to appropriate these frequencies, the dynamics leads to better quality sound in the car.

Technical features crossovers

Most modern devices are inductors and capacitors. Depending on the number and quality of manufacture of these elements is the cost of the product.

Why in the crossover for the speakers included the capacitor and coil? This is the most simple jet parts. They are inexpensively capable of handling different sound frequencies. the calculation of the crossover for the speakersCapacitor can select and process high frequency, while the inductor at low frequencies. Manufacturers wisely use these properties and produce structurally simple, but quite effective device.

The Number of reactive parts affects the precision of filters: 1 – uses a single element, 2 – two of the item. Depending on the number of reactive parts, and diagrams of the crossover, the system filters the different frequencies that are not suitable for specific channels. It is possible to assume: the more the scheme will be reactive elements the better crossovers of acoustic systems to filter the signal. Filter circuits have a certain characteristic. This so-called “the steepness of the decline”. In other words, it is sensitivity. Depending on the level of “the steepness of the recession”, all presented on the market products can be divided into models of the first, second, third and fourth class.

Active and passive equipment

The Passive crossover for the speakers – this is the most common solution. It is frequently found on the market today. As the name implies, to operate this device does not need extra power. Therefore, the owner of the car will be much faster and easier to perform the installation of sound equipment. The disadvantage of this device group is that simplicity is not always a guarantee of quality.

By the passive scheme, the system takes part of the energy to ensure the operation of the filter. At the same time jet parts changing phase shift. Of course, this is not a serious drawback. However, it will not turn out as thinly as possible to perform frequency correction. crossovers of acoustic systemsThis drawback has no active crossover. The fact that despite the more complicated the design, the flow of audiocasts they filtered much better. Due to the presence in the scheme of not only a few coils and capacitors, but also semiconductors, developers build high-quality devices with more compact dimensions. Active crossover is rarely found in a separate module. However, in any amplifier there are active filters.

How to configure the device correctly?

In order to get the highest quality soundin the car, you need to choose the right frequency at which all superfluous to srazhatsya. In the case of the stirring device, designed for three lanes, you need to find two cut-off point. First mark the line between low and medium frequencies. Second – the difference between medium and high frequency.

How to calculate your own hands?

Calculation of the crossover for the speakers – this is an important process. Still no manufacturer was able to produce the perfect sound system that could accurately reproduce sound in a different range. For low frequencies subwoofers are used. Apply for secondary speakers. But when the entire complex will start to sound, there may be some confusion. That's why the need for a crossover in acoustics – to the specific acoustic system was the only signal of a certain frequency. three band crossoverTo obtain a bipolar system or any other to the first channel amplifier connect a device that divides the signal. This is the filter. Complete with speakers already have passive crossovers are manufactured and designed by the manufacturers.

But what if you need to split the sound frequencies on a different principle? Manually anything do not have to count – our high-tech times, even for the most common operations there. So for these calculations, there is a program, such as Crossover Elements Calculator.

First, the program introduced the measurement of loudspeakers bass and treble, which often is 4 Ohm. Then enter the frequency at which the device should separate. Immediately introduced and the order of the crossover. Then press the button and wait until the program will give the result. As a result, it will give the scheme, which will include the necessary capacitors and coils under the entered parameters.

Features

The Market offers a wide range of devices that vary in quality, cost, specific manufacturers. Choose the crossover for the speakers is not easy – you can't just buy what I liked. Make a choice for certain acoustic systems. why the need for a crossover in acousticsImagine that you have a subwoofer produces low frequency range from 18 Hz to 200 Hz, mid-range speaker reproduces frequencies from 200 Hz to 1000 Hz, and high frequency – from 1000 to 16 000 Hz. The amplifier has built-in filter and reproduces a frequency range from 18 Hz to 20,000 Hz. In this particular case, the desired three-band crossover, capable of implementing filtering in those bands.

passive crossover for the speakersAlso, when choosing pay attention to the number of bands. Another important parameter-the frequency range. Be sure to consider throughput. Multi-level device with high sensitivity that can significantly improve the quality of the sound.

Conclusion

So we figured out what is crossover and what functions it performs. As you can see, this is quite an important element in the acoustic system of the car.


Article in other languages:

AR: https://tostpost.com/ar/technology/3699-the-crossover-for-the-speakers---what-is-it-and-what-is.html

BE: https://tostpost.com/be/tehnalog/6524-krosover-dlya-akustyk---shto-geta-takoe-dlya-chago-pryznachany.html

DE: https://tostpost.com/de/technologie/6523-crossover-f-r-akustik---was-ist-das-und-was-soll.html

ES: https://tostpost.com/es/la-tecnolog-a/6529-cruce-de-la-ac-stica-qu-es-y-para-qu-sirve.html

HI: https://tostpost.com/hi/technology/3702-the-crossover-for-the-speakers---what-is-it-and-what-is.html

JA: https://tostpost.com/ja/technology/3700-the-crossover-for-the-speakers---what-is-it-and-what-is.html

KK: https://tostpost.com/kk/tehnologiya/6526-krossover-sh-n-akustika---b-l-ne-zh-ne-ne-sh-n-arnal-an.html

PL: https://tostpost.com/pl/technologii/6528-zwrotnica-do-akustyki---co-to-jest-i-do-czego-s-u-y.html

PT: https://tostpost.com/pt/tecnologia/6524-crossover-para-a-ac-stica---o-que-e-para-que-serve.html

TR: https://tostpost.com/tr/teknoloji/6530-crossover-i-in-akustik-nedir-ve-ne-i-in-tasarlanm-t-r.html

UK: https://tostpost.com/uk/tehnolog/6528-krosover-dlya-akustiki---scho-ce-take-dlya-chogo-priznacheniy.html

ZH: https://tostpost.com/zh/technology/3985-the-crossover-for-the-speakers---what-is-it-and-what-is.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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