This circuit was found in a 1969 Mullard documentation. Used transistors can be replaced with modern equivalents. Output transistors may be BD135 and 136 with heatsinks.
This symmetrical power supply with a current of the order of 100 mA was found in an old...
This powerful amplifier with 2N3055 transistors at the output provides a few tens of watts rms on a...
This low frequency sinusoidal oscillator was obtained in documentation from the 1970s. Operational...