[Milsurplus] VT-191 for Homebrew?

Clare Owens clare.owens at gmail.com
Thu Mar 9 13:42:25 EST 2017


I had 10 VT-4C tubes (now 9 since movers broke one) and all showed at least
some degradation of the getters.  The 4 in my BC-375 for display have clear
getters and I doubt they would function normally.  They probably would do
what the 4 of my 8 829B NIB tubes did when I tested them 20 years ago -
they filled with smoke as the filaments burned up in the air.

YMMV

By the way, Dave, I may have breaking news at 11...  Or maybe at 4, after
the mail arrives (he said mysteriously).

Clare

On Thu, Mar 9, 2017 at 12:44 PM, David Stinson <arc5 at ix.netcom.com> wrote:

>
>
> -----Original Message-----
> >From: antqradio at sbcglobal.net
>
> >
> >Really Dave?  >The tube making art is so shoddy that
> >well over half of the tubes produced go to gas?
> I didn't say that.  I never said that.
> I said far more than half of *this* tube that
> I have seen have "white" getters and are, therefore,
> gassy.  Now maybe I've had a bad run of luck,
> but I think that unlikely.
>
> Aside:  I am starting to see a lot more transmitting
> tubes gassy than I did 20 years ago.
> But VT-191 is especially bad in my experience.
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