For those of you who have a PC or laptop computer with mediocre quality, definitely less satisfied if used while watching movies, play a song, or play games. For that, many computer or laptop users who upgrade with better components, in particular by increasing the power of the sound quality produced. Typically, users use a PC or laptop powered speakers with 2.1 specifications, which means 2 satellite speakers and 1 sub woofer speakers.
2.1 active speaker system is not bad, but this kind can’t display images surround sound that is usually required for 3-dimensional sound effects when watching movies or playing games.
If you want to watch a movie with the DVD format that most have an audio stream Dolby Surround or DTS consisting of 6 separate sound channels. So, if we watch movies using stereo amplifiers for audio amplifier, the sound effects and surround sound not. Another case if we have a home theater or surround amplifier, the surround effects will then sounded like watching a movie.
However, surround amplifiers generally have a relatively expensive price. For that, we can make modifications to an existing stereo amplifier or surround amplifier that makes the quality is quite good as a complement of home audio at home.
Actually, 6 channel amplifier consists of 6 amplifiers and 1 channel / mono which has certain specifications on each canals. Has 6 channel surround amplifier consisting of a front left (front left), center (center), front right (front right), rear left (left surround), rear right (right surround), and LFE (Sub woofer).
All of it is a simple analog home theater system that can be made. One characteristic of an analog system is using double source input channel (stereo L and R). Home theater that can be assembled is a simple character, not the system delay is relatively more complicated and difficult to make.
The method used to make the home theater itself is a modification of a simple "halfer" matrix surround sound (4.0 channel home theater and without a decoder). No modifications to the sub woofer channel and additional components such added elco and resistors for the rear surround speakers.
Speaker used to make home theater itself, among others sub woofer for deep bass, full range speakers (for the rear surround speakers), full-range speakers (for front speakers). Wear a sub woofer speaker (not the speaker woofer) for channel sub woofer and full range speakers for satellite speakers. Full-range speakers can also be replaced by a combination of a tweeter and woofer speakers.
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