[sdiy] A simple 12AX7 vacuum tube tester schematic..

[Roy J. Tellason]

On Thursday 17 January 2008 22:24, Travis Shire wrote:
> I've thought about building a jig for testing preamp tubes...I have a
> couple boxes full that I need to sort out. And it'd be nice to ID all the
> ones that the printing has rubbed off and the type # is not etched on the
> glass. Not uncommon to have a box of tubes brought to me with the usual " I
> was gonna throw 'em out but I remembered you were into that old stuff"
> comment. Quite a few Mullards rollin' around here I'd like to know the
> condition of.

Anybody having tubes they don't want,  feel free to send 'em to me.  :-)

I have a tube tester,  too.  And don't mind collecting them...

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin