Vacuuum tube digital circuits (50 year rule)

Roy J. Tellason rtellason at
Thu Aug 31 18:03:36 CDT 2006

On Thursday 31 August 2006 04:27 am, Stan Barr wrote:
> Roy J. Tellason said:
> > Anybody having any vacuum tubes they don't want,  I might be interested. 
> > I can't offer much of anything for them,  but if they're gonna get
> > tossed...
> Just for informational purposes:  12AU7s (and 12AX7 and 12AT7) are still
> available new.  You probably won't like the price, but they're still in
> production - us electric guitar players use them,

Along with 6L6 and maybe 5U4 and some other numbers for output tubes,  no 
doubt.  To get that "Marshall sound"...   :-)

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

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