On the outside it looks like this:
![D612T Schematic](images/Teardowns/D612T_out.jpg)
Internal schematic is:
![D612T Schematic](images/Teardowns/D612T.png)
Not so sure about the variable transformer structure but this is how it performs.
![D612T Schematic](images/Teardowns/D612T_out.jpg)
Internal schematic is:
![D612T Schematic](images/Teardowns/D612T.png)
Not so sure about the variable transformer structure but this is how it performs.