Power source for tubes (T384E)

This experimental bench source was found in a modern book on tubes. The components used can be easily obtained.

10 W amplifier (CB9905E)
To a 16-0hm load, this amplifier provides a power of 10 W. We found this circuit in a Motorola...
Kinetis L Series of MCUs (COM157E)
November 2016 - Mouser Electronics is indicating in its inventories the new NXP Kinetis L MCUs....
4 W Complementary Amplifier (CB6173E)
This circuit was found in 1968 General Electric documentation. The circuit uses components from the era...