Goldsource STU-750 Step Up/Down Voltage Transformer Converter - AC 110/220 V - 750 Watt

Why I needed a transformer... because I was stupid enough to buy a Tommee Tippee electric steam steriliser from an ebay seller from UK -- that's how they spell their sterilizer btw. I didn't think about the fact that the plug *might* be different or that the voltage needed would be more than standard US voltage. I blame the brain fart on my pregnancy. I had a universal plug adaptor, but I was scared that the sterIlizer wont sterilize my items at all due to the lower voltage. So I bought this handy dandy transformer... which I wouldn't have needed to buy if I just bought a US version of this thing. *grumble*mutter*mutter* I was so scared to turn mine on when it arrived due to other reviews stating that theirs smoked up and smelled or made weird noises. So I followed the instructions.. behind the transformer is a small little plug like thingy (like a key kinda or pin) and you basically place it on whatever hole you needed as voltage. I placed it on the two holes that was for 110, plugged it in my outlet, then plugged my sterilizer on the transformer outlet that says 220 output (the larger outlet on the right) then I wore my rubber gloves (yes, I even turned mine on wearing rubber gloves), flipped the red switch and VOILA!! ITS ALIVE!!! Bwahahaha! My transformer was very quiet.. Didn't even hear a hum.. I even placed my hand on top of the thing (after making sure I won't get electrocuted) and I didn't even feel any slight vibration. I do think that the burning and smoking and loud noises might be due to other people buying a lower wattage transformer that couldn't handle the item's required wattage to perform. I was about to buy the cheapest transformer (same brand) until I read about the wattage thing. I admit it floored me... I didn't know what it was talking about. I didn't even know about voltage, people and now I have to learn wattage too?? Anyway, Just look either behind or below your equipment and it should tell you how much watts your equipment needs. Mine was 650 by the way.. According to the details on this thing, you have to multiple your wattage needed by 1.5 and that's the transformer you should buy. Well if I went with that, then I have to shell out more money to get the 1000 watts transformer instead *grumble* I should have really just freaking bought the US version *grumble*mutter* and as I said, it worked well with the 750 watts.. I don't think I'll be using it for other appliances at my place anyway but if you plan on double plugging this thing with different appliances then just add up the watts needed. Oh yea, it also comes with another plug thing and a small ziplock that contains two small cylindrical light bulb looking things. You might miss the small ziplock if you're opening the box. I dunno what the bulbs are for. ONLY CON: Short Cord. What's up with that?

Work and good quality

Just received this Gold Source 750 step up/down voltage transformer converter and it came in a very good package without any damages. I ordered this to use it with a 220 V Indian table-top wet grinder: Ultra Grind +. The transformer is small in size but little heavy. It is a nicely finished Chinese product and build quality appears good. Just like the other reviewers had said, has a little kerosene like paint smell to it that disappears after some time, when taken out of its box. It is very quiet with no noise or hum during operation and comes with a small instruction paper, two fuses and a plug adapter. So far so good, works fine with no issues. Don't know yet how long will the grinder last since it's designed to run on 220 V, 50Hz frequency whereas it's being made to run on 110 V, 60Hz. This transformer is perfect to convert and run the 220 V Indian Grinders & Mixies on 110 V here in the US. The best bet though is to always bring in or buy the 110 V, 60Hz version of the Indian kitchen appliances rather than use it with a voltage step up/down transformer converter.

I moved to the US from the UK, and took my PS3 and some other small electrical items with me. The PS3 won't work with a simple plug adaptor (the green light came on, but nothing happened), so I found out that I needed a voltage transformer. I bought this size (750W) because it has enough voltage to spare (apparently this is recommended). The unit is smaller than I expected - I plugged it into the mains, plugged the PS3 into the UK power socket on the front, switched it on, and it all works I leave it on for a few hours at a time and it runs very quietly (a very faint hum). I left it on overnight once while the PS3 downloaded content, and it was still running fine in the morning. We have also used this with a food mixer we brought over from the UK. Instructions were very clear - when it arrived I had to set it to transform from 110 to 240 - it was a simple matter of moving a pin on the back of the box. It also came with 2 spare fuses UPDATE - TWO YEARS LATER This is still running really well. We switch it on every morning and then off again at night, but I don't think that's really necessary. If the house is absolutely silent you can notice a slight hum from this unit but otherwise no complaints. The UK PS3 is still using it every day as is our UK wireless router.

Just opened the box today. Read the simple instructions and plugged it in. I'm using it to convert 110V current to a 220V current in order to use a mixer/grinder which my mom bought from India. As of now, the mixer/grinder works fine. No problems yet. We'll see how long it will last. Some weird things to note: 1. The product is incredibly heavy. I knew it would be, because transformers get heavier as the wattage goes up: basic physics. Still, I think the tiny body makes the weight all the more surprising. The device occupies no more space than two rolls of toilet paper placed next to each other. 2. There is a little "selector plug" on the back of the device. By default it is in the 240V position. If you use it in the United States, change positions to 110V. The plug determines what voltage of current the device should expect. You ought to hear a satisfying click sound to know it's securely in place. 3. Two replacement fuses are bundled in a tiny zip-lock bag. They are easy to lose when you open the box if you aren't paying attention. 4. The fuse cover on the device has wonky bent plastic. 5. The device is made of metal and I suppose during shipping, despite the decent packaging, the device's weight meant that a corner of the body's metal got a bit bent. Will update to reflect reliability over time.