Signals that excite complementary or push-pull outputs require a phase inverter for the audio signals. In the tube circuits it is common to use double triodes, like the two circuits shown in the figure below, from an old manual.
Signals that excite complementary or push-pull outputs require a phase inverter for the audio signals. In the tube circuits it is common to use double triodes, like the two circuits shown in the figure below, from an old manual.
