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In Reply to: RE: Russian 6C33C A Ticking Tube? posted by Banat on April 21, 2015 at 05:35:12
Yes, it's my bad I was thinking it is Graphite. I looked closely and found it's some kind of thick metallic plates adjoining around the heaters. It's nothing like the graphite or the thin metal plate found on the other tubes.
I suppose this gives quite a heft to the weight of the tube but I also think it's more susceptible to the heating and cooling effects inside the tube. Other than the annoying ticking / clicking sound, it's quite a well made tube so I think the subsequent heating and cooling will not damage this tube at all even if it goes on for another 100 year. But the tube life is around 2000-3000 hours or even less in some cases so I guess they are expected to get tossed out sooner than later.
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I am approaching ~8000 hours on the current pair that I run, and they are still going strongly.
!
The Mind has No Firewall~ U.S. Army War College.
That's definitely interesting and possible. I've been reading up about these tubes. I once read about someone saying The Gm on this tube increases and as it gets older and it's the time that this needs to get replaced.
I am sure it won't get destroyed or anything after first few thousands of hours.
I appreciates if you and someone can shed more insights on this particular subject.
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