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Only slightly scorched by 500°C hot air gun 😇 jk they are brand new ofc


The 3 comments with the most likes by next Sunday win. Please participate in the vote, if there is a draw, we'll have to go with a judgment a la Solomon

Also: 100 EUR mu metal roll has arrived. For a static magnetic field a small section performs about as nicely as an entire roll of the YSHIELD stuff I've demonstrated before. And it can be soldered, which makes a real hermetic enclosure possible!

I'll keep both references running for a little longer and see if I can find a bit better temperature chamber ;)

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Comments

Giovambattista Currado

Mu-metal was also used by ReVox/STUDER for the shielding of their repro and record heads (analog tape recorders) and in many mech parts of their great products, this is my main field of application! :-)

David W DeVillers

Marco, you are on fire lately! Thanks for all of your time and efforts with your content!

Theodore W. Mathews IV

Do you have a data logger hooked up to the LTZ's while they are stabilizing? Both the output voltage and the data from the temperature sensors would be useful to log. I have been trying to get everything to build one of these references as I have 2x HP 3456a's that need some love and my university does not have any standards or recently calibrated meters. The PCB and the LTZ are the last parts that I still need. Keep up the awesome videos as well!

marcoreps

No, I don't even own a data logger, but you are right, it would be interesting to see the exact curve over the first few weeks

Rush Robbins

*blows on dice* Papa needs some new wall decorations!

marcoreps

I would not be shocked, in the last round we already had a winner for decoration purposes :)

MicroVAX

Make LTZ1000 voltage reference in timecapsule in every new building a thing. )))

Maciej Zaranek

I would gladly take one to my own Badeanstalt :D

NKN1396

Uhh... I'm still in time, right?