Yet Another SE 300B Amplifier, Part 2

Thomas Mayer latest output in the tube power amplifier range. This SE 300B Amplifier allow experimentation with the operating points of the Elrog 300B. He added an array of switches which allows selection of different taps of the power transformers, which results in different B+ voltages. Also DC filament supplies for output and driver tubes are adjustable over a wide range to be able to use different tubes.