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Ferrite Cores for Power cords

I am new to DIY and just made two power cords based on the Oyaide Tunami cable and Furutech connectors I purchased from vhaudio. My understanding is that I can possibly enhance the performance of these power cords by fixing ferrite core cylinders/boxes onto these cords. I will highly appreciate your advice/comments on the following regarding ferrite cores :

- Where can I buy them and which are the good ones/brands ? Any online source for buying these will be great.
- Should I attach them to both ends of power cords or only one end is enough ?
- Is there anything else I should know when I use them to derive maximum performance from the power cords ?
- Is it normal to attach the ferrite cores on interconnects and speaker cables as well

Please share your experiences.

Thanks in advance.
wilfredt

Showing 1 response by jea48

jea48
4,672 posts
 
My experience, works well on a pc for digital, not so good on pcs for preamp or amp. I found when I tried them on the preamp or amp it caused the sound-stage to collapse somewhat. Just seemed to take the life from the music. Just a note here, my preamp and amp are tubes.

For the CDP it helped in two ways. It helped stop RFI from entering the unit through the pc and stopped the RFI generated by the CDP from going back out on the pc. I also found they worked best when installed on the pc where it entered the equipment.
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