push-pull

  1. Ron Resnick

    Triodes and Tetrodes and SET, Oh My!

    Most low-power SET amplifiers use single-ended triode tubes. But some, like the N.A.T. Audio Transmitter and Magma amplifiers, use single-ended tetrode tubes. Then, we have some of the push-pull VTL amplifiers which are switchable between triode mode and tetrode mode. So what is the story...

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