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	<title>Audio - Video Guru &#187; Electronics</title>
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	<description>Free, Expert Advice For You On How To Design, Build, Install &#38; Setup A Home Theater</description>
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		<title>Buying a Home Theater Receiver</title>
		<link>http://audio-videoguru.com/2009/08/buying-a-home-theater-receiver/</link>
		<comments>http://audio-videoguru.com/2009/08/buying-a-home-theater-receiver/#comments</comments>
		<pubDate>Sun, 16 Aug 2009 21:07:05 +0000</pubDate>
		<dc:creator>Mike</dc:creator>
				<category><![CDATA[Electronics]]></category>
		<category><![CDATA[Helpful Articles By Topic]]></category>

		<guid isPermaLink="false">http://audio-videoguru.com/?p=215</guid>
		<description><![CDATA[Buying a receiver is one of the most important decisions you&#8217;re going to have to make when building your home theater. The receiver has a number of functions including; connecting and switching audio sources; connecting and switching video sources; decoding surround sound formats; amplifying an audio signal and sending it to your speakers; tuning in [...]]]></description>
			<content:encoded><![CDATA[<p>Buying a receiver is one of the most important decisions you&#8217;re going to have to make when building your home theater. The receiver has a number of functions including; connecting and switching audio sources; connecting and switching video sources; decoding surround sound formats; amplifying an audio signal and sending it to your speakers; tuning in to radio stations; and acting as the interface between you and your home theater.</p>
<p>The first thing to think about is whether you want a receiver at all or would you be better off buying a separate decoder, amplifier, and tuner?</p>
<p>Despite being a more expensive route &#8211; not to mention the extra space needed &#8211; separates do have some advantages. You can pick and choose your own combination of components, can upgrade each component individually and won&#8217;t lose all the functions if one piece develops a fault. On top of that, having each electronic component in a separate box does improve sound quality when compared with having them all on one circuit board.</p>
<p>However, the separates route is more expensive, more complicated and needs more space than buying a receiver. And for most people it’s unnecessary. Today&#8217;s receivers do a very good job in all of their functions.</p>
<p>So what should you look out for when buying a receiver? The first thing is to make sure that it has all the inputs you need for the equipment you need to connect to it. Sounds obvious, but it’s very easy to overlook. As a minimum it should have digital audio inputs (optical and co-axial) for Dolby Digital and/or DTS. It should also have analogue audio inputs for CD player, set-top box and possibly DVD-Audio or Super Audio CD player (the last two currently don&#8217;t have digital outputs in order to make it less easy to pirate CDs). </p>
<p>You should also consider whether you want to route all your video sources such as TV, DVD player, and games console through your receiver. Doing so means you can switch between sources from one controller, very easily. But if you want to do this you&#8217;ll need to make sure the receiver you&#8217;re interested in has enough video inputs. These could be S-Video or component inputs are best, or if you&#8217;re in Europe, Scart. You should also make sure the video output from the receiver is of high quality, so again, it should be S-Video, component or Scart. </p>
<p>If you can test a receiver before you buy, it’s worth comparing the quality of a video signal from a DVD player when it’s connected directly to a display and comparing it with when it’s connected via the receiver. There shouldn&#8217;t be any noticeable difference in quality.</p>
<p>The power rating of the amplifier is also important. The bigger the room you have for your home theater, the more power you&#8217;ll need. And makes sure that the power rating is quoted in Watts per channel &#8211; the last thing you want is to get home with your 100Watt receiver and discover that its power is split between eight speakers in you 7.1 set-up. It&#8217;s impossible to specify how powerful your amplifier should be, but if your home theater is in a reasonable-sized room, as opposed to an aircraft hanger, 100Watts per channel should be fine.</p>
<p>Finally, don&#8217;t forget the remote control. It&#8217;s the key interface between you and the receiver and you&#8217;ll spend a lot of time using it. So make sure it&#8217;s comfortable and straightforward to use. The last thing you want is to have to spend ages wading through on-screen menus to get what you want.</p>
<p>About the Author </p>
<p>Kenny Hemphill is the editor and publisher of <a href="http://www.the-hdtv-tuner.com/">The HDTV Tuner</a></p>
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		<title>The Home Theater Receiver</title>
		<link>http://audio-videoguru.com/2009/08/the-home-theater-receiver/</link>
		<comments>http://audio-videoguru.com/2009/08/the-home-theater-receiver/#comments</comments>
		<pubDate>Sun, 16 Aug 2009 14:48:10 +0000</pubDate>
		<dc:creator>Mike</dc:creator>
				<category><![CDATA[Electronics]]></category>
		<category><![CDATA[Helpful Articles By Topic]]></category>

		<guid isPermaLink="false">http://audio-videoguru.com/?p=136</guid>
		<description><![CDATA[The home theater receiver (or A/V receiver) is the heart and soul of your system, so choosing the right model is crucial. In this article, we will discuss the features of a home theater receiver. Decoding surround audio You can&#8217;t really compete with real cinemas in screen size, but you can completely recreate the astonishing [...]]]></description>
			<content:encoded><![CDATA[<p>The home theater receiver (or A/V receiver) is the heart and soul of your system, so choosing the right model is crucial. In this article, we will discuss the features of a home theater receiver. Decoding surround audio You can&#8217;t really compete with real cinemas in screen size, but you can completely recreate the astonishing surround audio in your living room! The main task of a home theatre receiver is to supply power for the speakers, and to give them the appropriate audio signal from the surround sound mix that comes from the source. Our source for this surround sound is usually a DVD disc (we will discuss this later). Surround sound can be encoded in several formats. You should look for a home theater receiver that can decode at least the following formats: * Dolby Digital 5.1: This is the standard surround audio format nowadays, and can be found on most DVDs. It has five discrete channels (left, right, center, rear left, rear right), and a subwoofer channel, that&#8217;s why it&#8217;s called &#8220;5.1&#8243;. * DTS: DTS is very much like DD5.1. This format has the same channels, but it&#8217;s encoded in higher bitrates, so it gives a better sound quality. Unfortunately, few DVDs contain a DTS mix. * Doly Pro-Logic: This is an older format, it was used on VHS. It has only three channels, but none of them are discrete. More modern home theater receivers can also decode DD5.1 EX, and DTS-ES. These are &#8220;6.1&#8243; systems, and have a rear center channel. There are not much DVD movies containing these formats yet. Processing and amplification The surround sound signal has to be processed and amplified in order to be heard on our speakers. You should always check these features when it comes to buying a home theater receiver: * Frequency range: To maintain a realistic sound, the home theater receiver must reproduce the full range of sounds that our ears can hear. This is from 20Hz to 20,000Hz. Don&#8217;t even think about buying a home theater receiver with anything less than this! * RMS Power: Don&#8217;t be fooled by high peak power data, that says nothing, really. We should look at continous power, that is called RMS Power. The higher the better, but it also depends on your needs. A small room require about 80-100W, 120W is needed for a medium-sized room, and really large rooms require about 200W of power. THX Certifications If you were looking at home theater receivers, you should have seen the phrases &#8220;THX Select&#8221; and &#8220;THX Ultra&#8221;. If a receiver has one of these certifications, it guarantees that the home theater receiver will produce a high quality sound. But that doesn&#8217;t mean that home theater receivers without these certifications can&#8217;t produce the same quality! So, if you&#8217;re short on money, don&#8217;t buy one of these, it is certainly not necessary. Audio and Video Inputs/Outputs Everything will connect to the home theater receiver. Remember, it&#8217;s the heart of our system. Its task is to switch between connected audio and video components. About these inputs/outputs, and wiring the system, read our article on home theater cables. Which one to choose? Now we discussed the main features of a home theater receiver, but all of the decent models have these. So you could ask &#8220;Which home theater receiver should I buy?&#8221;. Our answer: &#8220;That you think has the best sound!&#8221;. Audition is very important when it comes to audio components, and you are able to listen to your selected home theater receiver at your local store. Some of them also have a 30-day return policy, so you can try it out at home with your own speakers if you already have them (this is important). </p>
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