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  #10  
Old 12-28-2006, 11:56 PM
andy andy is offline
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Join Date: Jul 2002
Posts: 4,004
Quote:
Originally Posted by Spasticteapot
The reason for this is simple: To increase a 20" CRT to a 40" CRT with double the vertical and horizontal resolution, the electron gun would have to scan four times as fast and be able to turn on and off four times as fast, with a four-fold increase in precision necessary. To be able to properly hit the screen, it would need to either be further away from the screen, or be at a much steeper angle - further increasing complexity.
That's not true. CRT size has nothing to do with resolution. A 40" CRT just spreads the same number of lines over a larger area. The main problem with large CRTs is the weight from the thick glass.
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