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Old 10-06-2021, 09:54 AM
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etype2 etype2 is offline
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Join Date: Mar 2010
Location: Valley of the Sun, formerly Silicon Valley, formerly Packer Land.
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Coming from you Steve, a real compliment.

Wayne, point taken. Thanks.

15GP22

Shadow mask apertures: 195000, dots: 525000
Aperture diameter: Unknown, assume 0.010 inch.
Filtered glass faceplate light transmission: 70%
195000 / 15 = 13000
Phosphors: P22

21AXP22

Shadow mask apertures: 357000, dots: 1071000
Aperture diameter: 0.010 inch.
Filtered glass faceplate light transmission: 77%.
357000 / 21 = 17000
Phosphors: P22, red 30% more efficient, improved manufacture/assembly, citation RCA.
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