QST also rated it as the best tube for a crystal oscillator in the 40's,
especially the low crystal current.
Carl
KM1H
----- Original Message -----
From: "peter chadwick" <g8on@fsmail.net>
To: "William Turner" <dezrat1242@wildblue.net>; "Amps" <amps@contesting.com>
Sent: Wednesday, January 29, 2014 4:53 AM
Subject: Re: [Amps] Weird tubes in an amplifier
Before TV, it was used a lot as the video driver in various WW2 radars.
The Tung Sol data sheet issue 1 is February 1942: it was made by RCA, GE
and Tung-Sol and possibly KenRad. It was also manufactured in the DDR
(Deutsche Demokratischen Republik - Communist East Germany, prefix DM) as
the 6AG& and a 6AG7k, but my German is inadequate to figure the
difference.
A good tube. I seem to have quite a lot of them - need to find a use for
them.
73
Peter G3RZP
========================================
Message Received: Jan 29 2014, 09:00 AM
From: "William Turner" <dezrat1242@wildblue.net>
To: "Amps" <amps@contesting.com>
Cc:
Subject: Re: [Amps] Weird tubes in an amplifier
ORIGINAL MESSAGE: (may be snipped)
n 1/28/2014 11:22 PM, Fuqua, Bill L wrote:
> I also ran 4 6AG7s in grounded grid.
REPLY:
The 6AG7 was a great tube in its day. Had about the highest
transconductance of any consumer-type tube as I recall. Originally used
as a video output amplifier in early black and white TVs.
73, Bill W6WRT
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