D-Lab Modified P&H LA-400 Ham Linear 572B tube amplifier Low power RF output problem Follow UP Fixed

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Follow up test after repair/update. After receiving great feedback/advice from all of you on YT, the LA-400 is operating! I had made a few boo-boos. Luckily they were easy to correct. Thank you all for the kind comments and brainstorming session! I will be making a video showing this amplifier in action as soon as time allows. Updated schematic. A great linear amplifier project!