Quote:
Originally Posted by Electronic M
Also I think that the Zenith 15" prototypes used the 15HP22 which was their electromagnetically converged variant of the 15GP22(which RCA created, and was ELECTROSTATICALLY converged). I assumed that RCA was fine with them experimenting with the modifications of their CRT in hopes of advancing color TV, but now I wonder....
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Huh? Are you sure of that? The early tube manuals that I have show that both were electrostatic convergence (and had the same base connections). The difference being that the HP22 had the phosphor dots on the curved faceplate, rather than on a flat plate inside the jug.
jr
11-30-2011, 09:20 PM
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