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8th March 2011, 06:05 AM
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#1 |
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diyAudio Member
Join Date: Apr 2007
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PWR XFMR wiring
Hi All,
I am rebuilding my Simple SE amp and I have a PWR XFMER question. I am using the Edcor PWR035 XFMR and thought I had taken enough pictures of how I wired it before taking it apart but apperentlly not  From the Edcor schematics, it looks like the black and black/white wires are for the 115V power input and return. The two green cables I am not sure of. They do not show up on the schematic and they do not seem to be ground cables? If I ohm them to the chassis ground, it is an open circuit. Should these green wires be grounded?Thanks! |
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8th March 2011, 02:04 PM
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#2 |
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diyAudio Member
Join Date: Feb 2009
Location: Chicagoland
 
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Electrostatic shield? Are all of the other wires in the diagram accounted for?
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8th March 2011, 03:47 PM
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#3 |
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diyAudio Member
Join Date: Apr 2007
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No they are not. From the diagram, the ceter tap wire for the 370V and the 6.3V I have taped up since they are not used, these are shown in the diagram.
Besides the two green wires there are also a pair of grey wires that are not shown in the diagram. I have also taped these up since I do not know where they go? |
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9th March 2011, 02:28 AM
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#4 | |
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diyAudio Member
Join Date: Aug 2002
Location: victoria BC
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Quote:
I'd contact Edcor directly. I e-mailed them yesterday morning with a question on custom OPT winding, and got a reply back within about 10 minutes.
__________________
you don't really believe everything you think, do you? community sites t-linespeakers.org, frugal-horn.com commercial site planet10-HiFi |
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9th March 2011, 02:39 AM
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#5 |
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diyAudio Member
Join Date: Feb 2009
Location: Chicagoland
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What I meant was, are there any wires shown in the diagram that are physically missing?
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15th March 2011, 03:37 AM
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#6 |
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diyAudio Member
Join Date: Apr 2007
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Guys,
Thanks for the replies, sorry for my late reply. After checking my purchase order, I realized that I actually ordered the 059 and not the 035. I did ask about the 50V gray wires as to what they would power but did not get a response back. Thanks again! |
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15th March 2011, 04:17 AM
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#7 |
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diyAudio Member
Join Date: Feb 2009
Location: Chicagoland
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That is a 50V@50mA winding that would typically be used for a negative bias supply. Often these are taps off of the main high voltage secondary, but here they have made it a separate winding (which is nice). You don't need it at all for the SSE.
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