This is one of the channels of an amplifier suggested by Westinghouse in 1970s documentation. The circuit uses components from the era and no information about the transformer is given.
This power supply is protected from shorts in the load. The BD135 must be mounted on a heatsink...
This circuit appears in various parts of this site and this section, with diverse origins. This is from...
This powerful amplifier with output in complementary symmetry is from an old documentation....