Achievements of Japanese electronics empire have gained worldwide recognition. Every new gadget produced by any Japanese causes sincere interest of electronics professionals and amateurs.

So let’s take a closer look at a representative of Japanese empire – Pioneer speaker systems.

Pioneer BDP-320 is a Blu-Ray player that gives first rate picture quality. The secret of the player is that it supports Deep Color and x.v. Color technologies for lifelike, vivid colors and smooth color transition. But besides high picture quality be sure to get perfect sounding. Pioneer BDP-320 is a BD-live gadget that allows utilizing interactive features and downloading on a Blu-Ray disc some music or games. Among decoders the BDP-320 has there are Dolby True HD, Dolby Digital Plus, DTS-HD Master Audio, and DTS-HD High Resolution. The player supports DivX and AVCHD digital standards and MP3 and WMA digital audio standards. It comes with a remote control easy to use.

Among the other features of the BDP-320 can be listed the following: 7.1 analog audio outputs, three noise reduction circuits, Precision Quartz Lock System, JPEG photo playback, and Progressive scanning technology. What is more, the player sports a 1 GB of internal memory and 13 auxiliary video adjustments.

Moreover, Pioneer BDP-320 sports Source-Direct video output option. It is a good upgrade for your home theatre system. Its design is sleek and modern. It comes in black finish with 16.5 inches wide, 11.3 deep, and 3 high. The most useful control buttons are placed on the frond part of the player. There is also a disc tray and several outputs.

However, according to customers’ impressions, the drawback of the BDP-320 player is slow operation and delays. But it is the only con to mention, which makes the player quite a good offer. Its price range is from $ 225 to $ 300. A good buy!

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Nowadays there two main principles of working all acoustic systems: passive and active.

There is an opinion that active acoustics is used basically by professionals. You can find active speakers not only in expensive acoustic systems but in computer speakers also.
It is very difficult to choose right acoustic system for your home. It could be explained by the fact that all buyers have different tastes and every person has his own understanding of right and ideal sounding. That’s why when you get acquainted with engineering data of your purchase it is obligatory for you to check sounding. Don’t forget that the sound signal goes straightly from the DVD player through amplifier to the speakers of acoustic system. Signal multiplication plays one of the most important roles in the whole process. For reproduction of low-frequency sounds many acoustic systems have woofer speakers in their configuration.
So, how could the sound signal be amplified? Two ways exist. The first one is when the signal is amplified by means of audio amplifier and the second one is when the signal is amplified by the acoustic system itself, which has in its speakers built-in amplifier. The second variant is used in cheap computer speakers, or in very expensive studio monitors or professional technics. There is a very little chance that you will meet them in some home theatre. Also it should be mentioned that both types have own advantages and disadvantages.
First of all the advantages of active acoustic system are specified by the drawbacks of the passive acoustic systems. If you decided to buy passive acoustic system you should know that it could take a lot of time to select all the components for it. You should find such components with which your acoustic system would sound in the best way. It is not an easy task. The matter is that the producers of amplifiers don’t know which acoustics these amplifiers will be used for.

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Once Tolstoy was asked: “Why is your novel called “Hyperboloid of engineer Garin ” when in the basis of device lies a parabolic mirror?” And he answered: “Because it is more terrible!” Modern projectors are like fantastic weapon – they have powerful sources of light, mirrors, optical systems, but they used extremely at peaceful aims.

Modern projector is a autonomous device which provide transmission (projection) of information on the screen. This information comes from external source point – computer, video recorder, DVD player, video camera, TV tuner and so on.
The main difference between modern projectors and the old ones is that they don’t need material image carrier, from which this image is projected to the screen – no matter what is it (slide, picture , illustration on the piece of paper, etc). They receive picture from the external source point in the kind of electrical signal. So they become very important elements of multimedia.
When you buy home projector you should know at which aims would you use it: to watch video, play computer games, etc. And then to search for model with according technical features. In the second case you define the sum of money you are ready to spend and then the best model is chosen in the range. The first approach is more expensive but at the same time the results are more impressive. Choosing woofer speaker systems is a very important moment in the whole process of bargaining.
In any case to make the right choice you should know main technical features of modern projectors and understand which of them are the most important and essential and which one you can neglect.
Every day the level popularity of projectors for home theatres is growing. They are more convenient than bulky TV sets and allow to vary with any size of the screen easily. Besides the majority of them besides the source of video signal can work with computers. Which makes them truly universal display facilities.

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Even a layman can understand that in the ordinary or even in the specially suited room it is very difficult to meet all the conditions for ideal layout of home theatre system. One reason is that usually there is more than one spectator in home theatre. More rarely it is possible to make considerable moving off of rear surround and places for spectators. Fortunately there are a lot of variations, for example you can use Wireless home theater systems. Or you can set up your system with some concessions. You can try to find following compromises:
- three (two frontal and one central) surrounds of acoustic system can be placed not along circle but in one line. Meanwhile the frontal ones should form an equilateral triangle with audience place.
- rear surrounds may be placed in less distance from the audience than the frontal ones but it is very important to provide the distance of 1,5 metres from each rear surrounds to spectator.
If the room is not too big it is more preferable to choose diametrical scheme of acoustic system set up: the screen is in the centre of the long wall, on the both sides of it there are frontal surrounds and the audience is at the front long wall.
What concerns a sub woofer, you should install it after all system connection and tuning. Place your sub in different places of the room, turn on same recording with good bass and listen while standing in the area of audience places. When the bass is the most legible and not buzzing, know that you have found the most optimal dislocation for your sub woofer. The other method is called “by contradiction”. The sub is placed in the area of audience seats and installer begins moving on all fours along the walls of the room. When you find the area in which all sounds are heard distinctly and clearly, know that you have found the right place.

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What is home theatre? Home theatre is a complex the main task of which is demonstration of films and other video materials with multi-channel (surrounding) sound. The minimal configuration of any home theatre consists of one or several sources of video signal, appliances for its imaging, decoder of multi-channel sound with distribution amplifiers and a kit of acoustic systems for reproduction of sound from general channels and also for low-frequency effects.
Nowadays the most configurations for home theatre are 5.1 and 7.1.
It should be mentioned that on the market you can buy Wireless home theater.
Components of home theatre.
Source point. This is a device which forms video and audio signal by means of reading data from any information medium or by means of receiving translated flow. In the modern home theatre the sources are DVD-players, satellite receivers or players of new generation with imaging with high accuracy: Blu-ray and HD DVD.
The devices for imaging video signal are kinescope TV-set, FPD or video projector with projection screen. The choice of device depends on the conditions of viewing and image of which size you want to get.
AV-processor. It is the brain of the whole home theatre. It contains a commutator. Commutator allows to connect more than ten different sources points. Also AV-processor contains audio-decoder which deciphers digital flow (Dolby Digital, DTS,etc) which coming from source point.
Power amplifier. It is the last part on the way of audio signal from source point to acoustic system. Its task to raise amplitude of the signal and current strength to such level at which this signal could make dynamics loudspeakers reproduce sound.
AV-receiver. It is a result of reunion of AV-processor and multichannel power amplifier.
And one of the most important components is of course acoustic system (speakers, sub woofers). Nowadays on the market there is a great choice of speakers (cabinet, embedded) with different types of emitters (dynamic,horn,etc).

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I’m sure you’ll agree that for majority of people repair is an awful thing that they try to postpone when it’s possible. I don’t know anybody who likes doing a repair, because it always takes a lot of time, forces and money. Don’t you think so? If you ask people about the associations that appear in their heads as soon as they hear the word “repair” the majority will certainly say that it’s a necessity, a routine you can hardly avoid, an unpleasant activity, a boring work – only negative emotions. But I personally like doing a repair.

I bought a new apartment nearly a year ago; I’ve managed to cope with the main things like painting the walls, purchasing of the most necessary furniture, etc, but I still buy some small things that create comfortable atmosphere in my flat every month. For instance next month I’m going to buy a speaker system and I’ve already started to look through different sites, forums and online catalogues.

At the very moment I like most of all Bose Speaker systems and I have several reasons to think that it’s the most suitable system for me. Bose speaker systems are of a solid design, they are simple in use, and they have a great oomph when it comes to tight accurate bass. That is really impressive! Prices for these systems are reasonable as well; these speaker systems are not the cheapest on the market but at the same time they ask for a lower price than other producers if we compare systems with the same functions.

In the end I want to add that according to words of other people Bose sounds amazing for music and movies draw you completely into the action. To my mind it’s right what people need when they want to buy a speaker system. So now I know it for sure that next month a new Bose speaker system will appear in my flat.

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Have you heard the name of Klipsch company? Klipsch Audio Technologies is an experienced manufacturer of first rate quality and no compromise audio gadgets. That is why if you purchase a Klipsch product, be sure that you get the best one. At the same time the company is known for rather high prices, which makes some people think twice before purchasing a Klipsch.

Today Klipsch tends to change such perception of its production by means of considerably lower prices. And their first step is a new 5.1 home cinema speaker system named as HD Theater 500. The price of such a gadget is only $600, which makes HD Theater 500 the cheapest model ever made by Klipsch.

The home cinema system consists of four satellite speakers, a center speaker and a powerful subwoofer. The height of each satellite is 4 inches; the width of a central speaker is as much as 9 inches. Each of these components features a woofer and a horn-loaded tweeter. Speakers have a capability of 40 degree lateral adjustment thanks to wall mount plastic brackets. That is a quite good idea that allows you changing speakers’ position for better performance. The system’s manufacturers offer floor stands and a rubber cradle as well. So you are free to choose which option is preferable for you. Pay attention that satellite speakers come with rubber pads. They are essential if you place speakers on a shelf, because while watching a movie loudly speakers tend to move, and rubber pads prevent them from moving.

The subwoofer features an 8 inch woofer on the bottom and an amplifier inside the box. The subwoofer looks quite plain yet nice. Its corners are slightly curved, and its rare panel has a port for mounting it. Dimensions of the gadget are 13.9 x 12.5 x 12.5 inches.

HD Theater 500 is a middle home cinema speaker system of the line. Among the others there are HD Theater 300 and HD Theater 1000, which cost $400 and $900 respectively.

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