Found in a 90s Radio Electronics, this circuit can supply currents of a few amps, according to the power transistor. The power transistor must be equipped with a heat sink.
This circuit came out in an American magazine that no longer exists. It's the Electronic...
This circuit can be added to any audio amplifier design, consisting of a good tone control with an...
Using a 741 op amp with symmetrical source, this circuit was found in a 1982 documentation. The...