Posts tagged with: Lundahl

Potting the Lundahl LL1673 Choke [Subjective Listening Test]

Please read here, here, here, here, and here before you continue reading this one. I believe that could give you an overview of this project. Finally, we come to the day to have a listening test of this project. The...
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Potting the Lundahl LL1673 Choke [Measurement]

Finally, the Lundahl potting project has been completed. Now it’s the time to give initial measurement of the project. First is very simple testing, the inductance test. Next week, we shall have a listening test with this Choke. The inductance...
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Potting the Lundahl Choke [Part 4 – Completed]

After around 12 hours and everything is cooled down, I manage to see the final result of my potting project. It seems like the pain has been well paid. The result is smooth as a delicious tofu. But after a...
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Potting the Lundahl Choke [Part 3]

If you haven’t read the first two post, then I would suggest to visit here and here first. This is the 3rd experiment, and should be final one. I have done several experiments previously (although not published in detail here)....
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Potting the Lundahl Choke [Part 1]

It’s been a while since this idea came to my head few months back. Now it’s time to make it happens. As you might also know that Lundahl is one of the good transformer maker. They use their own C-Core...
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Aikido PreAmp Upgrade: Lundahl LL1673 / 20H / 100mA / 60 Ohm DCR

I’m ongoing to rebuild my Aikido Preamp which has been suspended for quite long time. The target is simple: a complete wood chassis and some upgraded parts then we are done (no more upgrade or whatsoever for this Preamp). You...
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