Hello Harold.
I have several spare original sockets for gu78b.
They there is strong. I can send photos.
73! UX3LV, Vladimir
----- Original Message -----
From: "Harold Mandel" <ka1xo@juno.com>
To: <amps@contesting.com>
Sent: Tuesday, August 22, 2006 2:49 PM
Subject: [Amps] Soviet Tube Sockets
> The most interesting feature of the Emtron series
> of Tetrode amplifiers was their using GU-78b
> devices.
>
> This tube, corresponding to a 4CX3,000A,
> is available here and there still.
>
> The only problem is tube sockets. The sockets
> I have seen are somewhat less than sturdy.
>
> Has anyone ever after-market manufactured
> a GU-78b socket?
>
> Will this tube fit any other socket?
>
> An interesting amplifier design uses two
> of these tetrodes in parallel with a 5 amp
> supply.
>
> Hal Mandel
> W4HBM
>
>
>
>
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