This circuit is the factory version of the LM386 low-power amplifier. The sound quality is excellent, and the power can be supplied with voltages from 6 to 16 V.
This circuit was found in an Argentine publication from 1973. It uses a common AM coil (50 + 50...
Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be...
We found this circuit in an English publication from 1982. The transistors can be the BC548. We...