Key Points of Subwoofer Audio

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musiclove

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Key Points of Subwoofer Audio
« on: December 15, 2011, 07:08:31 AM »
Subwoofer audio or woofer can reproduce the low frequencies. It is made up of some 'woofers' in a well package, includes loudspeaker tube enclosure, bass reflex, boundless baffle, & horn-loaded in a band pass method. Subwoofer is added in your audio method because it can make a high level sound of low bass. The early models of subwoofer are specially made for home audio method. But now, these products are not only used for home audio method, but also customs automobile audio installations. It becomes so popular because the latest products can reproduce loud sound but in low frequency.

There are two kinds of subwoofer, passive & active subwoofer. Passive subwoofer is an audio speaker which consists of a subwoofer driver & powered by an outside amplifier while an active subwoofer is powered by a built-in amplifier. Using a passive subwoofer will add flexibility for the user because they can select the type of amplifier or features. Here, amplifier has a function to handle the efficient power of a speaker driver. It is used to increase the efficiency of the driver.

Subwoofer audio requires strong internal cross bracing to add strength & reduce box resonances. A subwoofer has usual frequency range between 20-200 Hz. All subwoofers placed in the same enclosure will work together to produce lower frequency extension. For example, if a subwoofer enclosure can go down to 40 Hz, a bigger enclosure consists of 'woofers' may be able to go to 30 Hz. They can make lower frequency than the usual. Subwoofer output level can be increased by increasing cone tour. But be cautious in choosing the tour because the high tour at high power levels tends to produce more distortion.

The smallest subwoofer is designed in a small size & it is suitable to be put in your home theater because it doesn't need more space. The largest subwoofer enclosures are usually used for concert or nightclub sound systems, which needs louder sound & produces greater efficiency.

Because the sound produced & low frequencies are difficult to localized, lots of stereo & audio systems feature subwoofer channel. Subwoofer does not provide superior bass performance compared to large loudspeakers. It can only be placed off-center without affecting the perceived sound stage. The purpose of a subwoofer is often augmented by the existing speaker to save it from low frequencies at high levels. Subwoofers may be bought separately, includes the satellite speakers. It can be sold individually usually include crossover circuitry to assist integration in to an existing method. Top quality with great portability subwoofer & home audio speaker can be more pricey.

Some conventional subwoofer or speaker systems are built in the same cabinet as a unit. They can be placed in the corner inside your room. It is better to put subwoofer unit far from large room openings but close to the listener. This position is suggested because the low bass frequencies have a long wavelength. Besides, there is small difference between a listener's left & right ears in ability to reach the sound.

In case you are a music lover & you need to make the music becomes more fascinating, you ought to have subwoofer to complete your speaker method. There's lots of subwoofers' type & models available for you in different cost & quality. Make sure you get the that is designed to meet your needs.

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symoncol

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Re: Key Points of Subwoofer Audio
« Reply #1 on: January 24, 2012, 06:49:29 AM »
Glad to read in details about Subwoofer audio.
Thanks for this useful content.

 




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