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OLD thread, I realize, but just wanted to chime in that the Bosch KCU and KCK 40 cameras, both 4 tube, did an outstanding job with color. Probably by their era, B&W was no longer an issue. I had 6 of them in a remote truck doing sports. They had a Y Gamma control, which amounted to a contrast adjustment. For a camera. Helped a lot in odd lighting situations. Detail came out of the high bandwidth Y channel as well. The designers degraded the blue channel to save bandwidth I suppose.
Later they adopted the entire system to triax, from the original multicore, by putting a box of electronic tricks underneath the camera, and adding rack chassis to the CCU. Worked pretty nicely until you'd lose one of the reference signals.... then the camera would go absolutly nuts. The head had a lot of motors in it for registration, and they'd all start going crazy, along with the signalling system that would blink, buzz, and ring. We called it "The One Man Band".
memories.....
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