This hybrid audio amplifier from National Semiconductor was found in the June 1994 issue of Electronics Now magazine. It is powered by 24 V.
We found this circuit in a 1965 Electronic Design. The transistors are from the era, and modern...
This circuit was found in the Spanish magazine No longer in existence, Mundo Electrónico, in a...
This circuit was found in a French magazine Toute LÉlectronique from 1978. Transistors are not...