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Where is this power data concerning LCDs vs CRT based sets? LCD sets require a back light while the CRT only requires lighting the CRT heater. I would say the CRT heater requires less power than the back light. Why would the electroncs in the CRT based set require more power than the LCD based sets?
I admit that Plasma sets are power hogs. Large screen LCD sets are also(place your hand over the upper vents of one that is operating if you have doubts).
There is a couple of drawbacks to CRT sets that I think have already been mentioned.
1. The screen size is limited.
2. They are usually standard definition.
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