[Boatanchors] Help IDing a Tube

jeremy-ca km1h at jeremy.mv.com
Tue Feb 19 21:34:56 EST 2008


It is a VHF/UHF dual tetrode designed for 2 way radio service. Not very 
popular in North America.

Carl
KM1H


----- Original Message ----- 
From: <n2lxm at juno.com>
To: <homebrew at mailman.qth.net>; <boatanchors at mailman.qth.net>
Sent: Tuesday, February 19, 2008 8:48 PM
Subject: [Boatanchors] Help IDing a Tube


> Greetings All,
>
>        While I was searching through my storage closet I came across
> some tube's I can find any real information on. They are marked Amperex
> with the number 7377, made in Holland. A web search turned up a page of
> data, but it was in French. What I could make out is that it's a dual
> tetrode, good for a push-pull amp running class C. These are weird
> looking, a glass envelope 1 3/4 " in dia, just a hair over 2" tall, it
> has what looks like a standard 8 pin base with two larger pins offset for
> indexing. I would guess they were used in audio service. Any one have any
> thoughts. Thanks in advance.
>
>
>                                Jeff N2LXM
>                  AMATEUR RADIO OPERATOR
>                                AMERICAN
>                                  PATRIOT
>                  Proud Father of two US MARINES
> _______________________________________________
> 



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