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Demagnetizing

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dflee:
Guys, I know there is a topic here discussing demagnetizers but can't locate it.
Just got a Furutech RD2 for cheap and want to know what y'all think.

Thanks
Don

Nick B:
Not much time right now, but I did a quick search under ...... demagnetizing. That’ll bring up a few things
Nick

steve:
This is an interesting subject, Dflee. Interestingly, when vacuum tubes are manufactured, one of the last processes is  induction high temperature heating of the internal metals.

The question I have is how the electric field is removed, slowly or instantaneously. Instantaneously would mean  magnetizing of the internal metal structure.

Has anyone else demagnetized their vacuum tubes, and if so, were there any perceived sonic differences?

cheers

steve

tmazz:
I have used a Bedini Ultra Clarifier unit, which is conceptually similar to the RD2 for many years and have always liked the results.

Here is a link to the Six Moons review of the RD2:

http://www.6moons.com/audioreviews/furutech/rd2.html

rollo:
Steve I will try a bulk tape eraser on some tubes and let you know outcome.

charles

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