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That sounds encouraging.. !!

Hi Theo

I can’t wait until mine will be delivered.
According the track & trace service they will be delivered tomorrow
So I can start clamping.

Good too hear that you now have obtained better results on the P24.

The effect of clamping a ferrite bead on the linear (!) 12 V DC P4 line in my setup was rather big.
It was a real significant improvement.
I could hear the improvement immediately.
No long listening sessions needed for that.

As you also already wrote: I have no explanation either for the significant SQ improvement.
I know that ferrite beads ‘filter’(present high resistance for) high frequency’s.
And I also expected that lowering HF noise levels would increase SQ
But what is exactly happening here, I don’t know.
Is the ferrite bead blocking HF noise coming from the MoBo onto the P4 line?
Or vice versa? Is my linear psu producing HF noise which is blocked by the ferrite?
What is exactly happing here that is causing the SQ improvement?
Anyway, it works very well !!

Untill now at least.

The total DC current in the P24 is high. Around 3.5 – 3.8 amps
Reading the ‘Steward’ article, that is much current to apply ferrites on.
Steward proudly presents in that article, that some of there ferrites can handle 4500 mili amps (4.5 amps) and still keep functioning without saturation or so.
So I will follow Bibo’s advice and remove them after 3 weeks, too check if the ferrites are still effective.

Can you provide a link or name or partnumber or model of which type of the ferrite beads that you are using?

Mark

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