Found in the 1975 RCA tube manual, this circuit appears elsewhere in this section. The circuit uses contemporary components and is powered by the power grid.
This circuit is based on the voltage drop of the diodes in conduction, in the order of 1.6 to 1.7...
The output power of this amplifier depends on the supply voltage that can be between 3 and 16 V....
This circuit is more elaborate than the previous one, employing an integrated amplifier circuit of the...