Uploaded December 2021 | Updated September 2026, 34 minutes ago

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Let's face it, vacuum tubes are just plain seductive in a way that transistors can never be. That warm glow, the lethal voltages, it all seems like magic. Join Greg Latta, AA8V, as he takes a deep dive into vacuum tube technology and history, following the electrons on their space flight from cathode to plate, and explains what the heck is going on with all those grids.

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