I think you will find it's nearer 35ohms.Morrie
----- Original Message -----
From: "Lee Buller" <k0wa@swbell.net>
To: <amps@contesting.com>
Sent: Monday, March 15, 2010 9:30 AM
Subject: [Amps] GI7B Question - Input Matching
>
> I have been reading about the GI-7B Russian made tube. It seems that the
> input impedance of two tubes is around 100 ohms. Could you not just use a
> 2:1 transformer to make a match from 50 ohms to 100 ohms? What am I
> missing here.
>
> Lee - K0WA
>
> Ham Radio Operators: Kansas QSO Party is August 28-29, 2010. See
> www.ksqsoparty.org for details
>
> In our day and age it seems that Common Sense is in short supply. If you
> don't have any Common Sense - get some Common Sense and use it. If you
> can't find any Common Sense, ask for help from somebody who has some
> Common Sense. Is Common Sense divine?
>
> Common Sense is the image of the Creator expressing revealed truth in my
> mind. - J. Wolf
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