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What regulators do you mean?

Hi JPBZ,

I'm sorry but your question is too cryptic for me. What regulators do you mean?

I only experimented with L-section filters and π-section filters on the P24 line from the Earthwatts ATX created through a combination of (many) ferrites and conductive polymer capacitors (Sanyo os-con).

As suggested by the Murata paper (and other papers as well) this combination of ferrites and capacitors VERY EFFECTIVELY filters power supply noise on the P24.

Very much too my surprise the sound quality ‘quantum leaped’ through use of π-section filters on ALL(!) wires of the P24 coming from the Antec Earthwatts ATX.
No kidding! I wasn’t expecting such spectacular sound quality improvement at all. I only expected some subtle improvements over the PSU combination I normally use on the P24: linear PSU -> Pico 160 XT -> P24 connector.

In no part of this amazing PSU noise filter project I touched or changed any regulators.

What regulators do you mean?

Mark


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