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RE: LC filters for B+ ...

Dennis' power supply filter is not LC.

For a power supply filter to be (and act like) a LC filter the inductance of the choke HAS TO meet critical inductance.

Dennis' power supply filter is a cap input filter (and acts like one) with a "hash" choke in front of it. A hash choke is not a bad idea but placing a hash choke in front of a cap input filter does not make a cap input filter a choke input filter. It's still a cap input filter. Period!

This is not up for debate, it's just a fact.

Take some time to study how a critical inductance choke input filter behaves how the rectifier tube behaves when attached to a critical inductance choke input filter. Now study how Dennis' filter behaves and how his rectifier will behave.

You will learn that they behave very, very differently.

Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"

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