What Happened to 15AP22 Through 15FP22? - Videokarma.org TV - Video

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What Happened to 15AP22 Through 15FP22?

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05-21-2014, 10:52 AM

kx250rider kx250rider is offline

REAL TVs have TUBES!

Join Date: Oct 2005

Location: Los Angeles & Dallas

Posts: 3,239

I remember reading someplace, that a second letter in the sequence (in CRTs following bottle diameter) meant it was a better design tube. (i.e. 21YP4 vs. 21FEP4, etc)

So the string for a 21AXP22A would be:

21 ____________ AX________________________P22___________A
Bottle size_______Tube model Type_____________Phosphor type__"A" = aluminized

Charles

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Collecting & restoring TVs in Los Angeles since age 10

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