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Old 05-20-2014, 09:26 PM
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ChrisW6ATV ChrisW6ATV is offline
Another CT-100 lives!
 
Join Date: Feb 2007
Location: Hayward, Cal. USA
Posts: 3,552
Quote:
Originally Posted by maxhifi View Post
Come to think of it I have seen excellent black and white performance on CCTV monitors...

-Max
That may be for one or both of two reasons:

-CCTV monitors often DO have DC restoration.

-CCTV monitors, unlike perhaps every B&W TV set made since color TV was introduced in 1954, have high video bandwidth and therefore a very detailed picture. Once color was added to NTSC TV signals, tiny dots or other artifacts would appear on parts of the screen of a black-and-white set unless its video bandwidth was limited to about 3 MHz or so. I saw this difference clearly (pun not intended) at a recent meeting of TV collectors, where several restored early sets were all displaying the same signal. The late-1940s sets had the artifacts (and razor-sharp pictures), but the Predicta set did not (and it was not nearly as detailed, either).
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Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did."
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