Thats one of those limited production (expensive) tetrodes built for the
military.
1500W dissipation with a very robust screen grid if I remember.
Just dont blow it otherwise you will be rebuilding the amp around a
different tube.
Carl
KM1H
----- Original Message -----
From: "KO1H" <KO1H@cox.net>
To: <amps@contesting.com>
Sent: Tuesday, January 22, 2008 4:51 PM
Subject: [Amps] Burle 4651
> HI all I have a pair of Burle 4651 Ceramic Tubes. I am wondering what the
> current resale value of these tubes might be? If there is any interest in
> such a tube. It looks like it might fit into a nice ssb amp.
>
> I am not an amp builder, but if you are interested in this/these tubes or
> are interested in building amplifiers with them. Contact me!
>
> Further info they are MIL spec. I acquired them from a Navy Engineer.
>
> Thanks for any interest and help
>
> de John ko1h
>
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