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Converting power for US goods

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  • 28-06-2008 11:57am
    #1
    Sham Squire
    Registered Users Posts: 501 ✭✭✭


    Hey there, I have an outboard piece of kit coming from the US and I need a convertor to go from our gargantuan 240v to their piddly 110v. Anybody point me in the right direction? And more appropriately for this board, might there be any other issues with using an American piece of kit over here?
    Ta very much.


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    #2
    PaulBrewer
    Registered Users Posts: 7,790 ✭✭✭PaulBrewer


    If the unit doesn't actually have a 220v option then you can do 2 things.

    Get a 220v to 110v transformer, this needs to have a Wattage spec to at least match your units power consumption or for safety, a bit higher.

    If the unit has an external power supply you could source a 220v one locally.


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    #3
    studiorat
    Closed Accounts Posts: 6,408 ✭✭✭studiorat


    300w should be enough for most applications. Guitar amps etc. The sort of thing a builder or carpender would use for power tools works fine. Though I've found that using these traffos can sometimes trip the power when you plug in. Though I suspect replacing the transformer could work out at a similar price.

    Most gear is internally switchable anyway, either automatically or by means of a "shunt" across the power transformer in the power supply.

    Other gear has a DC input so it's handy enough to pick up a selectable one of those. One thing with these devices it to MAKE SURE the polarity is correct. Plus and Minus etc. Otherwise you could be looking at throwing your new toy in the bin!

    US also uses 60Hz AC as opposed to 50Hz here. There's a few arguments around as to whether this is an issue or not. Particularly regarding stuff that uses certain types of clocks and tubes.
    Some talk about amps sounding different on different AC frequencies. I reckon there's a certain amount of snake oil involved there.


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    #4
    Sham Squire
    Registered Users Posts: 501 ✭✭✭Sham Squire


    studiorat wrote: »
    I reckon there's a certain amount of snake oil involved there.
    I think that's true of a lot of talk regarding music gear. I found a step down transformer on Peats site which ticks all the boxes. Thanks for the info.


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    #5
    PaulBrewer
    Registered Users Posts: 7,790 ✭✭✭PaulBrewer


    Sham Squire wrote: »
    I think that's true of a lot of talk regarding music gear. I found a step down transformer on Peats site which ticks all the boxes. Thanks for the info.

    Once it can supply enough amps, ie it is at least the same as the unit and preferably more.


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    #6
    studiorat
    Closed Accounts Posts: 6,408 ✭✭✭studiorat


    PaulBrewer wrote: »
    Once it can supply enough amps, ie it is at least the same as the unit and preferably more.

    Yeah check the wattage.


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    #7
    PaulBrewer
    Registered Users Posts: 7,790 ✭✭✭PaulBrewer


    Watt?


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    #8
    studiorat
    Closed Accounts Posts: 6,408 ✭✭✭studiorat


    I SAID!!!!!
    THE WATTAGE DEARY!
    WOULD YOU LIKE ANOTHER CUP OF TEA???


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    #9
    PaulBrewer
    Registered Users Posts: 7,790 ✭✭✭PaulBrewer


    No,

    I meant the amps times the volts....


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