Trasformatore di potenza toroidale hifi fai da te 400VA 38V x2 + 15V + 15V p/n AS-4438
It can connect for 38V at 10.4A or 76V at 5.2A. 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.