Suggested by General Electric in a 1968 documentation this integrated amplifier uses a component of the era, the PA237. The circuit runs on 24 V and excites a 16-ohm speaker.
In figure 1 we have an application for NLAS5113, a new device from on Semiconductor...
This circuit, from a component manual, also applies to other components in the same family. The...
We found this circuit in an Electronics Handbook from the 1980s. It filters out noise from a radio...