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Old 4th February 2005, 01:46 AM   #1
sachi is offline sachi  United States
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Question effects of 220 to 110 volts conversion?


my friend asked me this question and i did not know the answer. maybe u guys can help me out.

he is planning to buy an active subwoofer and an integrated amp from the US to use it here. he says he'll buy the required rating step down transformers also.
his question was, will this adding of a step down transformer in series with the mains affect the sound and behaviour of the subwoofer and the amp. will it be able to supply the required amps to the sub and amp.
what are the solutions if there are some undesireable effects?
thank you
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Old 4th February 2005, 02:51 AM   #2
simon5 is offline simon5  Canada
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Location: Québec, Québec
If it's a powerful subwoofer, he will need a very good step down transformer! If the quality is good enough, I don't think it will have a bad effect on the sound.

Why not buy an active subwoofer with a 240V switch?
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Old 7th February 2005, 10:06 AM   #3
chrish is offline chrish  Australia
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If the amp does not have a 120/240 volt switch on the back, you may be lucky and find that you can simply change the wiring of the transformer in the power amp. You may find that the primaries are wired in parallel for 120 volts and can be wired in series for 240 volts. Another option might be to simply replace the transformer in the power supply. You will probably find this cheaper and more convenient than buying an external 240-120 volt external stepdown transformer.


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