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Need help with an umbilical question - Page 2

post #16 of 20
5/11/09 at 5:08pm
Thread Starter 
What does the filter do exactly though?

I'm a mechanical engineer, not an electrical one, so while I have generical electrical knowledge, I'm not well versed into the properties of the IEC filter.
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post #17 of 20
5/11/09 at 5:42pm
I just bent the wire in shape since the relative positions of amp and power supply wont change but yeah its a bit stiff

Quote:
Originally Posted by Bojamijams View Post
Eek 12AWG is too thick for an umbilical. I'd like something a bit more flexible

Not to mention, if its a good idea to use a 9 wire umbilical (related to my post before yours aloksatoor) then there's no way I can use 12AWG
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post #18 of 20
5/11/09 at 6:14pm
EMI / RFI Frequently Asked Question
I lost the link I had for this, but I remember some talk about all the stuff in your home that emits noise. It was a very good article, if I find it I'll post a link.
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post #19 of 20
5/11/09 at 6:26pm
Thread Starter 
Wouldn't the EMI be emitted by the transformer itself, not the AC cord? Or is both?
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post #20 of 20
5/11/09 at 7:07pm
Yes, but with my toroids less than an inch from the heatsinks on the sigma's I don't hear anything. Of course if I stack the amp on top of or underneath the PS I can hear the 60hz hum.
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