This amplifier was obtained from an Electronics Now from the 90s. The circuit has a dual 26V power supply. Power integrated circuits must be equipped with good heat sinks.
This circuit was published in a 1979 magazine, but it can still be easily assembled, as the...
This configuration found in GE documentation from the 90s, can also be seen elsewhere in this...
This simple circuit has good gain and can be implemented with any general-purpose transistor. The...