This circuit was found in a publication by Edelman from 1924. The power comes from the battery and the listening is through a high-impedance headphone.
In the figure we have the way to configure a control for incandescent lamps with full wave control...
The gain of this amplifier depends on the component values as well as the operating range and the...
This circuit was obtained in an Electronque Loisirs magazine from France, in a July 1991 edition. It...