A Conference Room Projector Unlike Any Other
If you're shopping for a classroom or conference room projector that can handle a room up to 40 to 60 feet (12 to 18 m) deep, we may have a candidate for you. A room this size needs a screen with a 10 to 12 foot diagonal (2.7 to 3 m) for data or presentation applications. You also need a projector in the range of 2000 to 2500 ANSI lumens.
If you did a search for projectors that fit this requirement, you'd come up with an ample selection of 122 projectors as of this writing. For educators and business people trying to stretch their dollars during these uncertain times, we decided to restrict our search to projectors with an (MSRP) of $2,000 or less and found 39 projectors that fit the profile.
Since we were also interested in a conference room projector with high contrast so we could enjoy some quality video, we tightened our search by using a minimum contrast ratio of 2000:1. We were now down to 22 projectors - a manageable list.
Not surprisingly, all these projectors use Texas Instruments DLPTM technology due to our high contrast requirement. Recognizing that some people are sensitive to the "rainbow effect" of DLPTM, those brief moments of color separation that a small percentage of people see when the eye transitions rapidly between light and dark areas of the image, we looked for projectors with a color wheel speed greater than the typical classroom and conference offering of 2x and we found one - the Sharp XR-20X.
So what is the "x factor"? Of the over 1000 DLP projectors that have come to market, over 80% of them use one DLP chip. This makes them
|Sharp XR-X20 Projector|
A 2x color wheel spins at 120 revolutions per second (2 x 60 Hertz = 120 Hertz) and refreshes each color once per revolution. One way to minimize the "rainbow effect" is to increase the spin rate of the color wheel. This is exactly what Sharp did with the XR-20X projector. It's color wheel spins at 180 Hertz or 3x.
The result is a projector with a reduced "rainbow effect" and improved image quality that is especially noticeable in video flesh tones due to its higher color refresh rate. If you're a home theater enthusiast, the XR-20X is not a substitute for any of the dedicated home theater products that we have recently covered. It is, however, measurably better than 2x business projectors we have seen.
|Review Contents:||Introduction||Key Features||Additional Features||Performance and Conclusion|
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