Thread: Why Did They Change?
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Old 01-03-2021, 12:04 PM
Tom9589 Tom9589 is offline
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Why Did They Change?
We know that the 21-CT-55 is basically a CT-100 with a 21AXP22 CRT.

Why did they change the color demodulators from I and Q (CT-100) to R-Y and Q (21-CT-55)? Cost? Patents? Better match to CRT phosphors? Easier to align?
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