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  • LED vs CFL Bulbs: Color Temp, light spectrum, and more

    Putting some LED and CFL bulbs on the test bench to see what's better.

    This is one of the nerdier posts I’ve done, but since I’m unabashedly a nerd, and I hope many of you are too, I figured it would work.

    You see, I love LEDs. I think they’re fascinating in how they work, what they can do, and so on. As you’d expect, I’m slowly replacing the CFL bulbs in my house with LEDs.

    The thing is, not all LED bulbs are equal, and one of the biggest drawbacks is that not all offer the “warmth” in color temperature most of us love in incandescents.  So I put a few different LEDs on my test bench, measuring them sort of how I measure TVs, to see how they do.

    Curious? Well I was, hopefully you will be too.

    » Read More
  • SpectraCal CalMan 5 TV Calibration Software

    Review: SpectraCal CalMan5 Calibration Software and DPG-2000 Pattern Generator

    The latest CalMan software offers a host of improvements, making it easier and faster to use.

    The CalMan software has become a de facto standard among the TV reviewer elite. Using a pattern generator and a measurement device, we can learn most of what we need to know about a TV in just a few minutes.

    Among professional calibrators, use of the software is even more widespread, since it allows the printout of elaborate graphs and charts in a custom report for customers, showing them what their calibration money paid for.

    With CalMan 5, SpectraCal has upped the awesomeness.

    » Read More
  • DVDO Air transmitter and receiver

    Review: DVDO Air Wireless for HDMI Connection System

    Wire-“less” HDMI

    For most people, running a 1-meter HDMI cable to their TV is the only connection they need to make to experience a glorious 1080p picture. But mount that TV on a wall, or decide to go with projection, and you have a problem: the wires. Sure you can run HDMI cables through your walls or ceiling (or down to your basement), but sometimes that’s just not easy — or possible.

    As Daniel Kumin found in his recent "Something in the Air" article, sending HD signals wirelessly is not only possible, it’s now practical, and even affordable.

    New on the scene is DVDO’s Air, one of the more interesting-looking products in this category. Curious how well it stacks up? How convenient. Me too.

    » Read More