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The boost voltage should be 500v. and is about 458 or so. I "assume" it was low due to the -18 volt bias instead of -25 on the horiz. output tube.The vert. linearity I think is good because the picture is good, Or is this a scope/waveform question? I am checking in to buying a scope, I just do not have one now.On the damper part of your question, how do I further check it?
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