This circuit supplies a voltage of 42 V, plus a symmetrical voltage of 12 V with 1 A. The voltage regulators must be mounted on heat sinks. The transformer is 35 + 35 V with 3 A.
This shield circuit for lamps and other charges was found in a Popular Electronics from the 90's....
Using the well-known 2N2646 that was popular at the time, this circuit was found in Radio...
We found this circuit in a Popular Electronics of the 90s. The circuit can also be used as a seat...