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a little more digging, it was ONLY on the CTC-17X (I checked my sams for the CTC-17 I had which was not an X and could not find it).
My plan it to try at least the 1st blanking (two pulse method) since the CTC-12 I have does not have a nice 27v supply (the supressor grid is connected to the cathode inside the tube, both to ground) on the CTC-12. Besides it looks a lot easier. My Sylvania RCA clone roundie may have used a 6JE6, and would be a good candidate for the transistor, esp to see if it could clear the macro vision (seen clearly in one of my early videos on You tube).
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