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Re: [Amps] Helping a Uruguayan Ham build an Amp.

To: <amps@contesting.com>
Subject: Re: [Amps] Helping a Uruguayan Ham build an Amp.
From: "Bill, W6WRT" <dezrat1242@yahoo.com>
Reply-to: dezrat1242@yahoo.com
Date: Tue, 27 Apr 2010 09:20:46 -0700
List-post: <amps@contesting.com">mailto:amps@contesting.com>
ORIGINAL MESSAGE:

On Sun, 25 Apr 2010 10:15:47 -0700, Patrick Barthelow
<apolloeme@live.com> wrote:

>
>Then even the possibility of choosing  a GS 35B tube as as the basis of the 
>amp. 

REPLY:

I would recommend against using a GS-35b. Their efficiency is low
compared to other types. I and several others have obtained
efficiencies in the range of about 50%, compared to about 60% for an
8877 and other comparable tubes. 

Aside from poor efficiency they do seem to work well so that is not
necessarily a show-stopper, just something to consider. 

73, Bill W6WRT
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