televisions

Toshiba 46XV648U LCD HDTV Review

46 in.

The Toshiba 46XV648U yielded excellent performance scores in nearly every lab test, sending it to the front of the class.

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Color Temperature

The Toshiba 46XV648U showed an excellent color temperature consistency in our lab tests. You can see from the charts below that the error rarely strayed into the range of human perception. Only when the signal got very dark did the color temperature get a little warm. More on how we test color temperature.

RGB Curves

The Toshiba 46XV648U had a relatively good color curve performance, though it was not without its hiccups. In the chart below, you can see the results from testing every intensity level in the red, green, and blue channels. The ideal performance is a smooth, sloping curve. Bumps indicate areas where you can expect color banding to occur where there should otherwise be a smooth transition. That big bump in the blue channel is unusual. We could see the error pretty clearly if we displayed a band of blue across the screen. All we can say is we hope you don't see this particular color too often when you're watching TV. More on how we test RGB curves.

RGB Curves Chart

The color strips below are digital recreations of the three lines in the chart above. It's all 255 increments that make up each channel. Note how none of the TVs manage to get the shadow detail of the Ideal Response.

Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.

Sections

  1. Introduction
  2. Tour & Design
  3. Blacks & Whites
  4. Color Accuracy
  5. Motion
  6. Viewing Effects
  7. Calibration
  8. Remote Control
  9. Connectivity
  10. Audio & Menus
  11. Multimedia & Internet
  12. Power Consumption
  13. Sharp Aquos LC-40LE700UN Comparison
  14. Toshiba 46RV525R Comparison
  15. Samsung LN46B750 Comparison
  16. Conclusion
  17. Series Comparison
  18. Photo Gallery
  19. Ratings & Specs
Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.
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Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.
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