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Re: [Amps] Amperex 3-500Z / 8802 And Drake L4B

To: 'AMPS' <amps@contesting.com>
Subject: Re: [Amps] Amperex 3-500Z / 8802 And Drake L4B
From: "Dr. David Kirkby" <david.kirkby@onetel.net>
Date: Thu, 23 Aug 2012 08:01:45 +0100
List-post: <amps@contesting.com">mailto:amps@contesting.com>
On 08/23/12 05:50 AM, Jim W7RY wrote:
> Couple of questions....
>
> Does anyone have a copy of the Amperex 3-500/8802 tube spec sheet they can 
> send me?
>
> Also, what do folks typically get for idling current (ZSRC) with Eimac 3-500s 
> in a Drake L4B on the SSB position?  What about the Amperex tubes? I see 
> quite a few conflicting reports on various sources doing a Google search on 
> the subject.
>
>
>
> Thanks!
> 73
> Jim W7RY
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>
        

I don't have any for Amperex, but have two different ones from Eimac - one 
dated 
1968 and 1980. My notes say the older one has a graphite anode, but I don't 
know 
where I got that from, or how accurate that information is.

See

http://www.g8wrb.org/triodes/

Dave, G8WRB
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