Subwoofers or subs, for the benefit of those who do not know, are complete loudspeakers that measures about eight to twenty-one inches in diameter. This equipment is used to produce low-pitched sound frequencies. There are various settings where you use a subwoofer. First is the home theatre. This equipment has revolutionized the home theatre experience since it was first introduced in the market. It is used to augment the sound produced by the main speakers. They make the low frequencies distinct thereby making your body shake with the low-pitched sounds. Whether you use it for music or for your TV subwoofers is the best way to transform your home audio.
Sealed Car Subwoofers
This type of subwoofer design is the simplest. It consists of a driver that is mounted on the side of a sealed box. It has good low frequency power handling and a smaller box size.
Ported Car Subwoofers
Ported Subwoofers includes a driver that is mounted on one side of the box that has a tunnel opening. This allows air circulation in and out of the box. This type of subwoofer has lower distortion but has increased power handling capacity.
Subwoofers are also used in movie theatres. Subwoofers have been widely used in the cinema since 1980s. It is suited for watching films because it has enough isolation from outside sounds that might interfere with the listening and viewing experience. Subwoofers are also use to enhance the sounds. This may be used for parties, dances, announcements and a lot of things. Lastly, subwoofers are used for car audio. Most car enthusiast would love to have a subwoofer in their cars. It is usually hidden as to conform to the space limitation of the car. Car subwoofers are usually hidden in the trunk or at the back seat space so that it would not bother the passengers. Some car enthusiast would produce very loud sounds within the scope of their car. It may be too high hat it would damage one’s sense of hearing. There are different things that you should consider when purchasing a subwoofer. Size, distortion, cost, and power handling of a subwoofer should always be considered before any purchase is done. There are four main types of subwoofers that are used in car audio.
Passive Radiator Car Subwoofers
Passive Radiator is similar to the ported system but instead of a port this system uses a drone cone or a passive radiator to extend the low frequency response of the system.
Transmission Line Car Subwoofers
The transmission line uses a wave guide to reverse the phase of a drivers output. It reinforces the frequencies near the driver’s Fs.
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