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GB: Round #2; Fo-Felix EMI Filter for AC mains 120/230v; By Folsom

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#46
100K should be fine for the discharge resistor?

I'm going to use what I have on hand, since I apparently forgot to order the 110k resistors.


I made up some nice cables as well, 14awg silver plated copper, stranded, teflon insulated.

I'll post some pics later of the finished cables and boards. The boards are nice and stout, simple, appropriately sized and well made.

Excited to get these in boxes and in front of some of my sources.

Damn fine work Jeremy!
 
#50
I received my boards today and already have one installed. This filter works very well! I would get noises/buzzing through my speakers when various LED recessed lights were on throughout my home. The Fo-Felix has almost eliminated the extra noise/buzzing 🙂

Thanks Destroyer OS!!
 
#51
Sadly LED's, especially on dimmers, are super noise creators. Running an independent line for the stereo may help with that, but obviously isn't simple to do. There may be other things to help but that's another topic. Perhaps when more devices are filtered it'll be gone? !
 
#52
In my experience there are many scenarios when filtration on the stereo line is the only way to go.
I have all kinds of noises and twirks on my lines, and none is created by my own appliances. They all come from neighbours or outside my house. Some days its bad, some its not so bad, it all depends on what the neighbours like to do !
Friday night and Saturday daytime for example is terrible !! Always!
 
#56
Jeremy,

I must emphasize here the quality of the PCB's. My jaw dropped when i opened the package, as the quality of the PCBs is the best i have seen. Kudos sir.

I have a question, you say no fuse is needed when using the Bourns 8120.
Should i place wire connection link instead of the fuse then ? How to make it "clean" ?
 
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