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6SN7 Tube Addicts

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  1. attmci
    Last edited: Oct 13, 2018
  2. timb5881
    That could be it. Here are some more pics.

    thumbnail4.jpg thumbnail5.jpg thumbnail4.jpg
  3. timb5881
    Last edited: Oct 13, 2018
  4. attmci
    Last edited: Oct 14, 2018
  5. Strat-Mangler
    Quick question ; would you guys buy a tube with a crack in its base, if the seller has a good reputation (on eBay) and has confirmed to have tested it in an amp for any abnormal behavior?
  6. Wes S
    Yes, as long as the glass is not loose.
    Ripper2860 and Strat-Mangler like this.
  7. Ripper2860
    ^^^ Ditto.

    Also -- a bit of superglue in a hairline crack works as a nice filler and will work fine with the heat.
    Strat-Mangler and Wes S like this.
  8. attmci
    Tube could be fine. But you should get at least 30% discount.
  9. TheSnafu
    Personally, no. It might have some other issues if it's been handled that rough. Crack in equipment that goes constantly from cold to hot isn't usually good thing even if you glue/fix it.

    Specially if it's some superduperuniquetube, is it really worth taking risk ? Don't get obsessed with one tube/sale, just move on :)

  10. Wes S
    I have several tubes, with cracks in the bases, and aside from the visual crack, nothing is wrong with the tube. As long as the glass is not loose, there is no noise and microphonics, and the tube test well, i say go for it. Some great tubes, with cracked bases, can be found at a discount, and work just like new.
  11. Ripper2860
    I've purchased a 3x tubes with hairline cracks - a tall bottle 6SN7W, a 6SN7GT Sylvania Bad-Boy, and a Sylvania VT-231. All from reputable sellers that stated they were good with tight glass. I have had no issues with any of them and even confirmed via independent testing. I fill the crack with super glue to minimize the possibility of extending the crack due to expansion and contraction that is normal with tubes heating and cooling. So far, so good.

    If it represents a value selling at significantly less than one without a crack and it is from a reputable seller, I see no reason as to why not. :wink:
    Wes S likes this.
  12. mvn1
    Hi all,

    question for the brains trust - how do you guys store your tubes? With mine now starting to be worth a bit, I'd like to up the protection beyond the white cardboard boxes.

    I was thinking a small padded pelican case - not really interested in the vintage stuff on Ebay. Any ideas?
  13. rosgr63
    I am using some pelican type cases labeled according to type and origin and chest of draws labeled in a similar way.
  14. gibosi
    Are you planning on carrying them around? If all you are doing is storing them, then the white boxes are perfectly fine.
    Wes S likes this.
    Try and get a tube caddy can sometimes find very nice ones for me this is the best alternative .I have several of these cases keeps your investment secure 5850343_l.jpg 5850346_l.jpg
    Pharmaboy and Astral Abyss like this.
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