Trasformatore di potenza toroidale HiFi fai da te 400VA 34V x2 / 68V CT p/n AS-4434
It can connect for 34V at 11.8A or 68V at 5.9A. They are specially designed to work on all standard 115V or 230V at 50Hz or 60Hz. And they also have the magnetic shield around the outside to reduce the magnetic leakage.