Possible to rewire Denon DRA-295 from 110V to 220V? Pics attached.

maurycy · 18th January 2010, 01:22 PM

I have US version of Denon DRA-295 stereo receiver (110V). In a nearest future, I will be moving back to Europe where voltage is 220V. My electronic knowledge is very limited but I know that if transformer has dual primaries, it can be wired for 110V (parallel) and 220V (series). I opened the DRA-295 and looked inside but I see only two wires from the main power going to the trafo.

Could somebody check the attached pictures and let me know if maybe there is a possibility to rewire this receiver from 110V to 220V?

Thanks.

pic 1
pic 2
pic 3
pic 4
pic 5
pic 6
pic 7
pic 8

maurycy · 18th January 2010, 11:11 PM

Anyone? Any guesses based on the pictures?

Iain McNeill · 18th January 2010, 11:17 PM

Doesn't look promising. The 110V in is the thick blue/black pair going to the inner winding. seems like it's the only primary winding.

Secondary is orange/yellow/grey/red, going to a pair of rectifiers.

there's a thin blue/blue/black trio hidden below the sec wires. Where do they go?
Don't think they're another primary though.

Anyone know this amp?

sakis · 19th January 2010, 06:43 AM

no chances i think ...except main transformer that needs to have an extra pair for 230 volts there is also the small trafo for the stand by so it will not work unless we all miss something

maurycy · 19th January 2010, 01:27 PM

That's what I thought when I opened the case. Thanks for confirming that.

Would appreciated information if somebody knows a stereo or basic home theater receiver that can be rewired from 110V to 220V internally.

18th January 2010, 01:22 PM	#1
maurycy diyAudio Member Join Date: Dec 2005 Location: NJ	Possible to rewire Denon DRA-295 from 110V to 220V? Pics attached. I have US version of Denon DRA-295 stereo receiver (110V). In a nearest future, I will be moving back to Europe where voltage is 220V. My electronic knowledge is very limited but I know that if transformer has dual primaries, it can be wired for 110V (parallel) and 220V (series). I opened the DRA-295 and looked inside but I see only two wires from the main power going to the trafo. Could somebody check the attached pictures and let me know if maybe there is a possibility to rewire this receiver from 110V to 220V? Thanks. pic 1 pic 2 pic 3 pic 4 pic 5 pic 6 pic 7 pic 8

19th January 2010, 06:43 AM	#4
sakis diyAudio Member Join Date: Jan 2006 Location: nea makri athens greece	no chances i think ...except main transformer that needs to have an extra pair for 230 volts there is also the small trafo for the stand by so it will not work unless we all miss something __________________ SERVICE ΙΑΠΩΝΙΚΩΝ ΜΗΧΑΝΗΜΑΤΩΝ ΗΧΟΥ www.eastelectronics.gr

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18th January 2010, 11:11 PM	#2
maurycy diyAudio Member Join Date: Dec 2005 Location: NJ	Anyone? Any guesses based on the pictures?

18th January 2010, 11:17 PM	#3
Iain McNeill diyAudio Moderator Join Date: Oct 2007 Location: Santa Cruz, California	Doesn't look promising. The 110V in is the thick blue/black pair going to the inner winding. seems like it's the only primary winding. Secondary is orange/yellow/grey/red, going to a pair of rectifiers. there's a thin blue/blue/black trio hidden below the sec wires. Where do they go? Don't think they're another primary though. Anyone know this amp?

19th January 2010, 01:27 PM	#5
maurycy diyAudio Member Join Date: Dec 2005 Location: NJ	That's what I thought when I opened the case. Thanks for confirming that. Would appreciated information if somebody knows a stereo or basic home theater receiver that can be rewired from 110V to 220V internally.

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