GU81M
http://www.nd2x.net/ur4ll/GU81M.jpg
Available at http://www.nd2x.net/ur4ll.html
Or maybe it was the GK71 http://www.nd2x.net/ur4ll/GK71.jpg
Available from the same source.
73, Alek. VK6APK
At 03:25 PM 8/03/2010, Roger wrote:
>A while back I saw a surplus glass Russian tube that resembled an 813 on
>steroids. It was claimed to run a KW without requiring forced air. I've
>seen glass tetrodes that are supposed to go a KW and resemble the
>4-1000A, but that's not it. IIRC the plate resembled an 833 as to shape,
>but the tube is round and long like an 813 although it runs considerably
>more power. The socket appeared to be a "twist lok" type. It was
>relatively inexpensive, but a great one for those "glow in the dark"
>projects. They even had sockets listed, but try as I might, I've not
>been able to find the site or tube. BTW the I remember the site had both
>tubes and sockets.
>
>Any thoughts? Any ideas as to what tube? What site?
>
>Thanks,
>
>
>Roger (K8RI)
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http://www.qrz.com/db/vk6apk
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