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Please give me a few days; due to the upcoming holiday weekend I have commitments that will take me away from home. I can easily measure the resistance; however, because the chassis is not in the cabinet, I am not presently able to fully power-up it up with a deflection load to measure total current. I may have that information from the manufacturer though. Alternatively, we should be able to calculate the nominal current based upon voltage drops (if indicated on the schematic) across the ballast. I will study the diagram if other readers cannot answer this empirically. I prefer to make these measurements with my Simpson 260 rather than a digital meter. I will provide measurements with reversed polarity as well, since in theory, they could differ.
With regards, to your recent acquisition, congratulations. I seem to recall this prototype was well described in the Second Color Television Issue of the Proceedings of the IRE, 1953. If you have not already studied this report, let me know and I will dig it out for you.
Regards,
Mark
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