The power supply with the midi states: Input 240v 50Hz. Output 12vDC 600mA. Power 18w. and it has two 5-pin DIN 180deg connections: 1)Power to the Acc. and 2) Midi out.
Convertors which would do the job appear to be available on places such as Amazon. Unlike the contributor above who had a convertor for a
sewing machine, which would need quite a few watts power, this midi power supply needs only a very small fraction of that. I wasn't aware that two voltages were available in so many USA domestic situations. Does this mean there are two separate supplies or is there step-down or step-up transformer in the house? Perhaps the 50hz and 60hz supplies might make a difference in some cases; eg. some older analogue clocks derive their timing from the frequency.
Thanks to all for the interesting facts and figures.
US domestic power is 'strange'. It comes in as 220 volts but has a center tap. Power to most receptacles is from the tap and one side of the supply giving 110v. To get 220v two of these 110v circuits are 'combined'. Basically the outer wires of the input are used and the tap is ignored.
Don't get me started on the color coding of the wires. I can never remember if the live is the black one or the white one because those colors are 'soooo' intuative. And then you've got the white wire with a bit of tape around the end to tell you it's not really white.
Color coding of wires can be simplified by remembering the following:
Neutral wires are white, unless marked with a different colored tape or paint. Then they are “hot.”
Hot wires are usually black or red, but may be sime other color, but not green.
Ground wires are either green or bare (no insulation.)
But who’s going to open an outlet cover to check color? The easier way is to look at the outlet itself. If it has two parallel slots (older, ungrounded) or two parallel slots and a round hole (newer, grounded) it will supply 120 volts. If anything else, it will supply a higher voltage, and the arrangement of the slots will indicate the amperes.