Average Reviews:
(More customer reviews)I purchased the STU-2000 voltage transformer in the spring of 2010 and so far I am happy with it except one thing: It doesn't convert the frequency from 50Hz to 60Hz (and I am assuming, that the situation would be the same if you need conversion from 60Hz to 50Hz.)
So, as a result what you get is 110V/50Hz instead of 110/60Hz if the input voltage is 220V/50Hz.
When I've moved to Europe from the US, we brought along many electrical and electronic equipments (stereo, 46" Samsung LCD TV, Vacuum cleaner, Carpet cleaner, Kitchen Aid and Cusinart, Breville kitchen appliances, alarm clocks, phone equipments, guitar amplifiers, etc.) So far two of these are acting up because of the frequency problem:
The large green LCD alarm clock/radio from RCA is 20 minute late EACH hour(!), because it's clock freqvency depends on the frequency of the input voltage.
Our 15 year old Onkyo stereo is acting up most likely because it was designed to run strictly on 110V/60Hz.
So, before you decide to buy this transformer, check your voltage and frequency rating of your equipments, if it says 50/60Hz, you should be OK, but if it says strictly 60Hz and it is a frequency sensitive equipment, do your own research.
Click Here to see more reviews about: Goldsource® STU-2000 Step Up & Down Voltage Converter Transformer with 5V USB Output - AC 110/220 V - 2000 Watt
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