220/110 volt device Vs using adapter

is using a 220 V device in USA with a converter or using a 110 V in asia with a converter any less desirable than having a 110V device in asia and vice versa?

is there any cause for concern that the device will have more unstable pulses or any fuse to burn up?

the issue is: a device is desired to be used in asia but is available in usa in 110v. is it worth getting it with a converter or just not bother with it.

thanks
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anushahannaAsked:
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silverkornCommented:
what kind of device is it?

it is easier, and safer, to decrease the amount of voltage available at the wall socket then it is to increase it. so to answer your question i would say you should be okay purchasing the device for use in 110 VAC and to purchase a secondary converter to convert the 220 VAC in asis
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Jason Yousef, MSSr. BI  DeveloperCommented:
I would say try to find a 220 V just to save on the converter cost, but the performance will be the same, I had experience with that when I travel and some stuff needs 220 volt.

If you don't mind the cost then buy it with a converter, if it works fine the US then it'll work fine with a converter in Asia.

I bought a converter last time from Ebay, but found it cheaper @ http://www.dvdoverseas.com/voltage_converters.htm
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dbruntonCommented:
You'll need a converter unless the device is one of those that is not fussy about what voltage it requires.  Check the manufacturer's specifications.  That is always your first step.

Some laptops for example aren't fussy at all about what voltages they are fed.  Again check manufacturer's specifications.

You might strike some problems with the frequency of the voltage.  See the wikipedia article http://en.wikipedia.org/wiki/Voltage_converter#Mains_converters on this but you'd have to have a very specialised device that was frequency dependent.
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aleghartCommented:
"device" doesn't mean anything.  If it's electronic, does it have a universal switching power supply?  Then it doesn't matter.  Many electronics will take input at 120VAC or 240VAC, some at 100VAC.  They will also take power at 50 or 60 Hz.

The only thing you have to do is get the correct cord or plug adapter to connect your local mains.  The PSU will handle the rest.
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anushahannaAuthor Commented:
I am thinking of a cordless telephone machine. so would the consensus be 'it does not matter'? go with what is the cheaper option?
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dbruntonCommented:
That will probably have a power pack that converts AC to DC for operation.  If so (check manufacturer's specification to verify this) then you've probably got a number of options.

Look at manufacturer's specs.  They may have a universal power adaptor for it.  All you'd need is a converter to handle the different wall sockets in the countries concerned.

Or if it requires DC input you can probably buy a power converter in the other country to handle the power.
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anushahannaAuthor Commented:
dbrunton, would you feel most of the top line phones will fit into the category. i do not see any 220v phones there (because it is a usa site)
http://www.amazon.com/gp/bestsellers/electronics/172614/ref=pd_zg_hrsr_e_1_4_last
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dbruntonCommented:
Possibly.

I'm on 240 volts and running a Panasonic KX-TG1311NZ cordless phone.

The charger is a 220-240 volt charger so it is not universal.  However it outputs 6.5 volts DC to the phone.  DC power supply units are very common.

However see http://www.world-import.com/panasonic-k-tg4024-world-wide-voltage-4-handset-cordless-phone.htm for a cordless phone that runs on any voltage.
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aleghartCommented:
Those wall warts are cheap.  If you like the device and you're spending a lot of time in one place, just pony up the $5-10 for the right spec power adapter.  Better to have the thing you like, than just buying something because it's less hassle.
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anushahannaAuthor Commented:
thank you.
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