[Boatanchors] 6211 = 12AX7 ? 12AU7?

Sun, 12 Jan 2003 10:03:38 -0500

And dont forget the.............
12AX7....
ECC-83
5751
7025

12AT7....
ECC-81
6679
5965

12AU7....
ECC-82
6680
5814A

Regards
Gary...WZ1M


----- Original Message -----
From: "Reed Park" <[email protected]>
To: "Sheldon Daitch" <[email protected]>
Cc: "Bill Beech" <[email protected]>; <[email protected]>
Sent: Sunday, January 12, 2003 9:43 AM
Subject: Re: [Boatanchors] 6211 = 12AX7 ? 12AU7?


> Sheldon Daitch wrote:
>
> > I am really going to show my ignorance here, but weren't there at least
> > one four digit tube identifier for a tube that looked like a
> > 12AU7/12AX7, same dual triode, same mechanical look, designed
> > specifically for either vacuum tube flip-flop or multivibrator use, way
> > back where there were vacuum tube "computers?"
> >
> > Is this 6211 possibly one of these units?
> >
> > Sheldon
> >
> > Bill Beech wrote:
> > >
> > > Bob,
> > >
> > > According to my tube data, that is neither a 12AU7 nor a 12AX7.  It
has
> > > lower plate voltage ratings than either of those.  I hold no
> > > replacements for it.
> > >
> > > 73,
> > > Bill, NJ7P
> > >
>
> 12AU7W  -  6189
> 12AU7     -  6680
> 12AT7     -  6201
> 12AX7     -  6681
>
> 7 3
> Reed
>
> --
>
> ARROW Research  (Avro CF-105)
> Reed Park
> 252 Gauvin Road
> Dieppe, New Brunswick
> Canada    E1A1M1
>
> Amateur Radio  V E 1 N U
> WW II, # 19 SET user
> Paraset replica builder
>
>
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