• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Output Transformer UL tap placement/wiring

When winding custom SE OPTs, which is the correct way to wire up the UL tap? Most people never wind their own transformers, so I'm not convinced that I can trust the way it is illustrated on a lot of schematics. Just want to be sure.


opt tap placement.jpg