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Probably, this is also one of the main drivers behind rear projection television sales. Yet the real 'culprit' behind the popularity of rear projection TV systems does not arise out of some particular benefit associated with rear projection, but out of the fact that most big screen retailers seem to give the impression that rear projection systems are cheaper than a front projection setup. This may be true in retail stores, but not necessary so when buying online. Therefore, do not base your decision on price alone to decide between a front projection setup and a rear projection TV box. Clearly, there is a market for both - the primary decisive factor should be your room size. If you don't have a large viewing room, a 40' to 60' diagonal TV will probably be more than adequate rendering a rear projection TV the ideal affordable solution - as long as it fits in the available space. What's more, considering that a similar size Plasma TV is still out of reach of most average household budgets, today's slim-styled LCD and DLP rear projection TV sets, with their lower prices yet high performance, are becoming the affordable 'immediate' big screen TV option in the television mass-market. However prior to committing yourself to a rear projection TV, it is important to be fully aware of a few limitations associated with Article: One of the big questions every home theater enthusiast has to face when planning a new home theater is whether to invest in a rear projection TV, or to opt for the two piece video projector - screen setup. Both waterway have got their pros and cons. In this article, we discuss the splendid and limitations of rear projection systems as a big screen solution in the home theater. Rear Projection Television - An Affordable Option A great deal of consumer fetch for Rear Projection TV systems originate out of the shear simplicity that this product offers as an immediate solution to getting a bigger TV. No mess, no fuss, if you have the space, either visit your local big screen retailer - or reform still, bilabial at your favorite online electronics superstore - to order your product and get it delivered in just a few days; unpack the product and there you have a big screen TV in your living room ready for immediate use! Rear Projection TV Facts: As then as previously stated, rear projection offers a most immediate solution to getting a bigger TV. Probably, this is also one of the main drivers beyond rear projection television sales. Yet the real 'culprit' supporting the popularity of rear projection TV systems does not sit bolt upright out of some particular interest coordinate with rear projection, but out of the fact that most big screen retailers seem to give the impression that rear projection systems are cheaper than a front projection setup. This may be true in retail stores, but not necessary so when shopping online. The reality is that for a given bouquet level, prices online are such that front projectors will deliver a much more cinema-like experience for the same price bracket. Therefore, do not base your decision on price separate to decide betwixt and between a front projection setup and a rear projection TV box. Clearly, there is a market for both - the primary decisive factor should be your room size. If you don't have a large viewing room, a 40' to 60' diagonal TV will probably be more than up rendering a rear projection TV the ideal affordable solution - as long as it fits in the off duty space. Size - or rather unit depth - is decorous less of a problem with modern LCD and DLP rear projection TV units. A typical 52” diagonal widescreen DLP or LCD rear projection TV set requires no more than 15-inches in depth; this contrasts heavily with a similar size CRT rear projection model which would normally require 22 and 24 inches in depth. What's more, considering that a similar size Plasma TV is still out of reach of most undistinguished household budgets, today's slim-styled LCD and DLP rear projection TV sets, with their lower prices yet high performance, are well-built the affordable 'immediate' big screen TV option in the television mass-market. However prior to committing yourself to a rear projection TV, it is important to be fully crammed of a few limitations hand-in-hand with rear projection systems, namely: limited screen size, limited viewing angle, glare problems, poor lay ratio management, poor use of floor-space, etc. We take a look at each of these limitations in further detail below: Screen size: Rear projection TV systems come in screen sizes ranging from typical 42' up to a maximum of just over 70'. This may or may not be a limitation. It is true that you can get a 100' projection with a home theater projector for the price of a high quality digital 50' rear projection TV, yet the screen size should be dimensioned to suit your room. If your room size does not support such big projections, rear projection is probably the way to go. Viewing angles: Rear projection TV systems used to have a rather limited viewing figure - with the optimum viewing position since one directly in front of and eye-level with the unit. Move away to either side, and color, contrast, and mercurial mind will degrade substantially. A narrow viewing total effect will limit the number of people who can watch the set due the lowering in picture quality at the extreme viewing angles. Most modern systems support a viewing manipulate of nearly 150 degrees - which should be productive for normal home theater use. However, it is in any case best to corroboration on this prior to your purchase as some products are worse than others. Reflections: It is fairway that any light source at a complementary bias to your viewing-angle will result in glare - in particular if the unit makes use of a screen-saver (a easy as pie protective material that covers the fragile screen itself). Glare can seriously degrade the picture quality. The only real solution is to take away the offending light source; in some cases the situation can improve if one removes the screen-saver – BUT remember that an unprotected screen is fragile and expensive to replace if damaged. Floor-space: Any rear projection TV is literally a large box with a relatively large footprint. It is true that modern slim-type models do exist that are no more than 15 to 18 inches in depth - depending on the screen size, yet the cheaper CRT-based rear projection TV sets will stand out by at least 24 to even 30 inches to submit for the necessary air-space betwixt and between the back of the unit and the wall. Remember to take this into your calculations when planning your home theater as these two feet or so will have to be deducted from your convenient viewing distance. Rear Projection TV Speakers: Forget all on them! Do not give any weighting to the speaker system probable with your rear projection unit. You would not be using them as you will surely want to replace these with your dedicated home theater surround receiver speaker system. Do not even think of using the build-in speakers of your rear television set as a center means replacement. They will just interfere with the sound hoped-for out of your dedicated system - hence do not pay extra for this as you will surely be switching off your TV sound completely during a movie show. Aspect ratios: We have early mentioned a number of limitations joint with rear projection television, yet in comparison, these are just minor issues. The real serious limitation with a rear projection TV is aspect ratio management. This is the trickiest of it all. Standard television comes only in 4:3 but rear projection TV systems come in both standard 4:3, and in the 16:9 widescreen format. Once you think proper your format however, you have to live with it - so once again, you have to resolve wisely. The 4:3 (1.33) or 16:9 (1.78) referred to as the stargazing ratio, is the ratio of the screen width with respect to the height of the image. All standard non-HDTV material is in the 4:3 format while most modern films come in one of the many widescreen formats - the most stake new the 2.35, which in itself is not proportionate with any of the fixed attribute ratio TV systems. There are various ways to deal with this - including:
Image stretching and horizontal bars can be extremely irritating while in the 'pan and scan' you are giving up film information to have a full screen view. Worst of all, prolonged use of horizontal bars - especially felonious bars - leads to tube burn-out in CRT based systems at huge costs to you. The incompatibility mid screen formats renders the decision on minutia ratio a rather complicated issue when a rear projection TV set. Surely, there is no such dilemma with a front projection setup, but if your only way forward is rear projection, then you will have to want wisely. Here no one can help you in your decision - it is simply a matter of preference. The best way to decide on reference ratio is by first determining what you will be viewing most. Making the Choice: Surely, there is a market for both front and rear projection TVs – it is all a question of knowing what are the advantages and limitations of each with respect to your specific needs. (c) 2004/2005 www.practical-home-theater-guide.com. All rights reserved.
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