Tuesday, March 20, 2012
Sunday, March 4, 2012
The Complete Collection
!9#: The Complete Collection
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Post Date : Mar 04, 2012 10:19:32Usually ships in 1-2 business days
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Wednesday, February 22, 2012
Al-Quran Al-Karim - The Holy Koran
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Wednesday, February 15, 2012
Al-Quran Al-Karim (The Holy Koran)
Thursday, February 9, 2012
Polk Audio Three-Way Vanishing RT Series in Ceiling Speaker - 90-RT
!9#: Polk Audio Three-Way Vanishing RT Series in Ceiling Speaker - 90-RT
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Price : Too low to displayPost Date : Feb 09, 2012 03:15:41 | Usually ships in 1-2 business days
Just like Matthew Polk's Signature Reference Theater (SRT) system, the components used in the RT Series benefit from Dynamic Balance, a technology which came out of a joint research project between Polk Audio and Johns Hopkins University. This laser imaging research enabled Polk to view on a microscopic level the entire vibrating surface of a driver or tweeter. By this method Polk was able to observe the resonances, which develop on speaker cones as they move. These resonances are the root cause of frequency response distortions.
As an x-ray enables a physician to discover the root cause of a symptom and prescribe the right treatment for a cure, this laser imaging technique allowed Polk engineers to find the right combinations of high tech materials, geometry and construction techniques to tune out the offending resonances. The benefit of Dynamic Balance is the dramatic improvement in the sound quality of our speakers, which every listener can appreciate. You no longer have to choose between excellent bass and smooth, clear midrange. Now you can have it all thanks to Dynamic Balance technology.
A crossover is the part of the speaker system, which directs high frequencies to the tweeter and lower range frequencies to the woofer. But crossovers can create distortion, called phase shift, which reduces clarity and degrades the ability of the speaker to create a life-like spatial image. Thanks to Dynamic Balance technology, the response of Polk's mid-woofers remains accurate at much higher frequencies than conventional drivers. This allows Polk to place the crossover frequency above the range where your ear can most easily detect phase shirt (the critical midrange). The result is clarity and imaging so outstanding that the speakers seem to melt away. You'll feel as if you're at a live performance or actually on the movie set.
And the result of all these technologies? One listen will tell you. You
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Friday, January 6, 2012
How To Choose The Best Plasma TV To Buy
Plasma TVs are among the most popular type of TV there is. People enjoy watching their favorite shows on them, rather than on any other kind, for several reasons. The picture quality is much better: The blacks are much more vivid than on other screens; they have wider viewing angles than LCDs, with much less distortion caused by shifting one's position with regard to the screen; and the picture looks less "blocky." Geometric distortion is also completely absent. The contrast ratios are among the highest; they may be at least 1,000,000:1.
But what kind of plasma TV should one get? There are many different brands of this type of TV out there, each of which offers its own attractions. This article will not mention any brand names, but will instead attempt to give the reader a general idea of what to look for in a new plasma TV.
What size screen do I want? How well will a TV with a given screen size fit into the place where I want to put it? Be sure and take measurements before you take a trip to the store, and then look for one that fits. Related to this question is that of whether to attach speakers, in which case you will need to provide additional space for them. You may also want to attach such accessories as a video game console, a DVD player, and/ or a cable box to the TV, in which case you will have to figure out how to arrange all the cords so they do not tangle.
Are you going to buy an HDTV or an EDTV? The former type is a great deal more expensive, and may not perform as well on satellite or cable. Do you want a built- in or external audio system? In most cases you will be able to make do with the former; the latter is only available with two brands, and is the better choice if you are setting up a "home theater" system. Also decide how you are going to mount the TV, and where it will be mounted-- to the table, to the foot of your bed, or to the wall. The mounts themselves come in an array of forms, including articulated wall, tilt wall, flat wall, cart, and even ceiling mounts! Know, too, that plasma TV screens may risk image "burn in," although modern models have protection against that danger.
Finally, when looking for a dealer that sells plasma TVs, it is important to know that online dealers may not always be reliable and may not even be authorized, so you will need to do your homework before making such a decision. Read reviews by customers who have bought the model you want. And of course prices need to be considered: Is the price of this set reasonable given the screen size and image quality?
Plasma TVs can be a great addition to anyone's home entertainment system.
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