[Boatanchors] 6211 = 12AX7 ? 12AU7?

Sheldon Daitch [email protected]
Sun, 12 Jan 2003 17:06:58 +0200


ANd I see Gary is got some good reference material.

And Bill, Mabye the 5814 wasn't the exotic number
that I thought.

Sheldon

Gary wrote:
> 
> 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
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> > Paraset replica builder
> >
> >
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