This excellent 30 W tube amplifier appeared in the April 1963 Radio Electronics magazine that taught how to assemble it. The critical components in our time are tubes and transformers.
This well-known circuit is another version of a 2-transistor transmitter found on the Internet. In this...
This traditional amplifier configuration is from the National Semiconductor's Linear Applications Handbook...
We found this circuit in a 70s Electronic Design documentation. The circuit uses general-purpose...