Trasformatore di potenza toroidale hifi fai da te 400VA 42V x2 / 84Vct 15V x2 p/n AS-4442
It can connect for 42V at 9.5A or 84V at 4.7A. 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.