Quote:
Originally Posted by LukeSimon
I have never seen a tube amp used in this way. It acts as both a common cathode amplifier for chroma output from the plate and a cathode follower amplifier for luma output from the cathode. Wouldn’t the different sharpness setting also change the amplifier characteristics for the chroma signal output from the plate?
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I have the same question in my mind. Maybe the peaking frequencies are mostly outside the chroma bandpass - need to see more of the service info and schematic to make a guess.