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Clioman
74
Jul 31, 2015
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please make sure the power supply is good for 110~240v. .
Jul 31, 2015
asymcon
30
Aug 1, 2015
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That might be difficult to achieve - AC/AC are not just as flexible as Switching AC/DC - usually there's just the transformer and in rare cases, low-pass filter. Plugging 110V adaptor into 220V outlet result in doubling the voltage output - to alleviate that, you'd need dual-winding which would make the adaptor much heavier.
Better choice would be to convert O2 to accept DC voltage (3-pin power jack .. +20V, -20V and GND). Such mod would allow the use of switching adaptors.
Aug 1, 2015
EniGmA1987
494
Aug 3, 2015
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And would produce excessive switching noise which would degrade the audio quality.
Aug 3, 2015
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