tednep
... you only use half the current in 220-240V hifi. Watt is watt no matter where you are. So if a amplifier is 220W it only uses 1 Amp. current in europe, but 2 Amp. in the US. So it is twice as hard on the internal of the amp ...That is mistaken. A given appliance will draw the same current at 240VAC as it does at 120VAC - the load of the appliance doesn’t magically change because you’ve changed its input voltage.