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Old 12th October 2013, 07:07 PM   #21
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By the way, bearing in mind what you've explained, why is there no hum
when a source is connected ?
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Old 12th October 2013, 08:40 PM   #22
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Success !!

Hi Gootee, your concern and remedial suggestions were plumb on the
nailhead. I twisted together the switch wire and primary wires of the power
transformer and Presto ! the hum is gone. Thanks a lot for your most
helpful suggestions.
Although I had all the other wires twisted I couldn't twist the primary wires
because of the positions of the switch and IEC adaptor, so your suggestion
to twist the switch and primary wires did the trick.
Here are a couple of before and after pictures, hope they upload okay.

Also a thank you to Sodacose for his suggestions.

The masking tape holding the wires are just temporary. When I get
everything done I'll do a better strapping of the wires.
Attached Images
File Type: jpg Wiring Before.jpg (934.0 KB, 79 views)
File Type: jpg Wiring After.jpg (964.8 KB, 71 views)

Last edited by harry888; 12th October 2013 at 08:44 PM.
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Old 12th October 2013, 11:33 PM   #23
gootee is offline gootee  United States
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Yesssss!! I love when that happens!!

Congratulations! Enjoy!
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Old 13th October 2013, 05:51 PM   #24
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Totally forgot about posting the picture of my wiring, but glad you got it fixed! Now sit back and enjoy some tunes!
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