Ever wonder what goes into the design of a vacuum tube audio amplifier? Well, radio building master Greg Charvat has you covered with his latest presentation, design your own vacuum tube audio amplifier. The slides are pretty heavy on engineering design terms, but give a good feel for what it takes to construct and tune an audio amplifier using vacuum tube technology. If you are down with Bode plots and circuit diagrams, though, it could serve as a nice introduction to building a class AB amplifier circuit.
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