Trasformatori di potenza toroidali audio a basso rumore 45V 6.6A / 90V CT a 300VA - AS-3445
It can connect for 45V at 6.6A or 90V at 3.3A. 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.