We found this circuit in the October 1987 Radio Electronics magazine. The triac must be controlled according to the heater. The transformer has a low current, of the order of a few hundred mA.
This driver for audio signals using the TAA435 integrated circuit was found in Philips 1968...
This circuit was published in an article in Electronics Now magazine in October 1995. The circuit...
The configuration shown in the figure is one of the most traditional when it is desired to produce...