This circuit can be used as an amplifier for musical instruments or even with your cell phone. The circuit is old and was found in the 1990 edition of Radio Electronics Experimenter magazine.
Found in a 90s Practical Wireless, this circuit provides 8 to 10 W of output with a gain of 14 dB....
This circuit is from a Maxim manual and can be used to power shields from batteries. The circuit...
In the figure below we have the connections of an automotive alternator in a triangle. The diodes...