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.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
This is a configuration much explored by assemblers, being found on this site in dozens of similar...
We find this circuit in an American 80's documentation. It makes use of IC sensor which is mounted...