Take the guess work out of the equation. Here is a site that provides good
info and EIMAC datasheets. Pay attention to the tube diagram pinout
(especially pins 2 & 4) and physical dimensions.
http://www.g8wrb.org/complete-list.php
Arne N7KA
----- "mike stokes" <mike9v@gmail.com> wrote:
Arne N7KA
----- "mike stokes" <mike9v@gmail.com> wrote:
Hi Guys
Someone gave me 2 tubes years ago and said they were 3-500s. Well I am not
sure they really knew, and I don't know as the lettering is worn off. Here
is a link with some pics.
http://picasaweb.google.com/mike9v/Tubes#
The one on the left is an Eimac. It end in an A and has S4 7704 stamped
inside.
The one on the right is a Westinghouse and looks like it says 5/5xxA where
the x in worn and illegible.
Any ideas on what these really are ? Or what is a good way to figure it out
?
Any help is appreciated.
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