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Re: Cryogenically frozen tubes

Being basically a pretty conservative type when it comes to all this pseudo audiophile science, I will err on the side of the massive number of engineers/scientists that developed the tubes in question. This was done when tube mfg. what at its highest, when a massive amount of 'brain power' was devoted to the subject, and the applications were far more critical than audio application. Does it improve performance, maybe it does, maybe it doesn't. But cryogenic processes were know way back when.

I find it interesting that we start comparing the relative benefits to tubes because it works in gun barrels, machine tools, car parts, etc. Besides the fact that they all employ 'metal parts' I don't see any sort of common element. The dynamics of metal structure within tubes is vastly more complex than any of the mentioned items.

Maybe it does produce a benefit. Can someone show me scientific evidence of its benefits and effects on long term stability and life expectancy? I am going to guess no, since the days of real scientific study of tubes is long gone, at least in the West and also in the case of most of the tubes that we are discussing. In the end, sounds like another one of those audio 'snake oil' things IMHO. I am not going to risk damaging my valuable and rare NOS tubes for some perceived benefit. When someone can present some solid scientific evidence that is peered reviewed I would be willing to revisit my current position. The real NOS jewels are just too darn expensive anymore. Maybe I would be willing to give it a try on common old Svetlana/Sovtek type stuff.


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