Quote:
Originally Posted by John Folsom
Charles is correct.
From the RCA Color Television Home Study Course, Lesson Six
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That's very interesting - I never noticed it before. Apparently besides the higher drive for red, they needed to make the current/voltage characteristic of the red gun more linear. Perhaps the much greater red drive made it more strongly non-linear than the green and blue, which would mean the midtones would not track the lowlights and highlights.