This good quality audio amplifier with an output of about 10 W with the original transistor was found in an English publication of June 1976. With the exchange of components and change some component values, we come to a modern version, viable in today. The source must provide at least 2 A. trimpot should be adjusted to obtain a 600 mA quiescent current. The output transistors must be provided with heat sinks. The TIP41C output transistors must be provided with heat radiators. For a stereo version can be used only source of 4 A. wide connections in the tracks of the printed circuit board must be applied to the points of greatest current.
