Building a 23cm complete amp, by KB2AH Building a 23cm complete amp, by KB2AH Click on thumbnail Use back button to return to thumbnails The following pictures show the construction of a 6 tube rack mounted chaise. Built in bias and time delay for filaments are included. Tuning for plate and cathode along with input and output is on the front panel. All cathodes are biased separately and monitored by a switched 300-ma meter. The cavity is mounted in a plenum and divides cooling air between the cathode and plate cavities and external surfaces of amplifier.
All tubes are water cooled.