These ceiling or in wall speakers are often used instead of the usual pair of speaker cabinets which are not only efficient, but also highly affordable. The reasons for this choice are-
* These speakers are space saving
* They preserve the aesthetic aspects of the room
* It is easy to hide their wires
* One can do away with the ugly holes in the wall
Previously, most people preferred to stay away from these speakers. But the tastes have changed today. Though many people still do not think much about the plenum-mount technology, this technology is fast gaining grounds! Probably that's because life styles have changed, and people now want their environment to keep pace with their new way of life.
However, these speakers would not probably impress the ones with an ear for high-end audio. They would surely not give away their cherished deep bass for securing some extra space in their shelves!
But even though you are not an audiophile, you need to glance through these parameters:
Frequency response - this refers to the range of audible spectrum reproduced by the speakers. The hearing range of a human ear is 20 Hz to 20 MHz. Therefore the speaker that approaches this interval more, is the better one.
Power handling - it is the range of power that the speakers can receive from the amplifier without causing any damage.
Efficiency or sensitivity - it is a rating, which points out how well the speaker uses the power sent to it by the amplifier.
The main thing you need to consider while using in-wall or in-ceiling speakers is how to arrest the back wave. Its not always possible to know how much space there is behind the wall, or if it is sealed. So the best thing to do would be to use sealed speakers, regardless of where you place them in your room. This way you can prevent much of the acoustic energy from being sent into the wall at the back, and thus wont have any distorted sounds.
Putting up the Speakers:
If you have a fake ceiling, it would be easier for you to put up ceiling speakers than in-wall speakers. Installing in-wall speakers is basically an architectural problem, and probably that's the reason why these speakers have got their name “architectural speakers”. Actually, if the rooms are small and thin walled, people naturally would not like wires running through their rooms. The easiest option is therefore projecting the audio system speakers before the walls are built. This way you will have the chance of planning your interiors as you wish. Before putting up the walls, chalk out where to place the wires. This does require some planning; talk to your electrician and find out the length of wire you require and the kind of wire to use. See the layout of your lighting system as well, and make sure that it doesn't get in the way of your audio setup.
You can set up the speaker while the wall is on its way of being constructed. Some people use the drywall to enclose the speaker. The bottom line is to put the speakers in their proper place from the very beginning, or else you will have a lot of harassment in store for you.
Fitting a speaker into an existing wall would be more difficult and expensive. Never the less, its not an impossible task! See if the wall on which you want to mount the speaker can be drilled. Make some holes in the desired location, and build the speaker enclosures.
The problem with the ceiling speakers is primarily their location. Since we are habituated to hearing sounds from our sides, it might seem a bit queer to hear the sound waves coming down at our head and then to our ears. Some ceiling speakers are comparatively flexible and can be adjusted towards the listener. These speakers are round in shape to go with the bulbs and lamps that are there in the ceiling.
SpeakerCraft, Niles, and some other speakers come with directional woofers and tweeters which can be adjusted separately to minimize the imaging problems that can arise from the positioning of the speakers.
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The technology behind DLP TVs has actually been around for a few yaers now, but only recently has it started to really come into it's own. DLP stands for Digital Light Processing, and suffice it to say that the way it produces a screen image is a perfect match for the HDTV standard that will soon become the accepted method of television broadcasting.
If you haven't heard much yet about DLP TVs, you will soon. But here are some of the advantages to their design:
1. They are great in brightly lit rooms. Because they use a reflective technology to produce the screen image, a DLP screen is less affected by ambient light than many other monitors. It can also produce a picture that has more contrast because it can produce deeper blacks than for instance, LCD TVs.
2. DLP TVs boast a very high refresh rate. The refresh rate is how often the screen is redrawn each second. The faster the refresh rate, the easier you eye can put the images displayed into a seamless picture in your mind. What this means for you is that if you like to watch sports or play fast action video games, the screen will appear smoother and more realistic with a DLP TV because of it's fast refresh rate.
3. DLP monitors are usually compatible with almost any video source that you want to connect them to. They can even be used as a computer monitor too. Just be sure that a DLP monitor has all of the necessary connections present to be mated with the video sources that you intend to use.
There are however a few disadvantages to DLP TVs that you should be aware of too:
1. DLP screens can be viewed from a fairly wide angle from the center of the television with no problem, but they absolutely must be viewed at eye level for the best picture as the brightness of the picture falls off rapidly when viewed either above or below eye level. This can restrict where you place them for best viewing position in your room and should be a point taken into consideration before purchase.
2. Although the DLP monitor itself can last almost forever, the light source that produces the image only has an average lifespan of about 10,000 hours. That is of course, still a lot of TV viewing time, but if you have your TV on for several hours a day be aware that the clock is ticking on the light bulb and when you do replace it, you may be spending over $200 for a replacement.
All in all, DLP monitors represent a great advancement in the field of television viewing though, and the technology is being rapidly accepted and improved on. But as with any TV purchase it is best to actually demo a particular model in person before ordering it online if you choose to do so.
Both Xaviar Driggers & Jim Johnson are contributors for EditorialToday. The above articles have been edited for relevancy and timeliness. All write-ups, reviews, tips and guides published by EditorialToday.com and its partners or affiliates are for informational purposes only. They should not be used for any legal or any other type of advice. We do not endorse any author, contributor, writer or article posted by our team.
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