Good luck as you have a tube that has seen some forces causing the anode
to bend to one side.
I had one and banged the tube to my hand to force the anode straight .
It worked and the tube is in service!
---
Ron
yo9fzs wrote:
>
> Hi amp fellows,
>
> I have NIB 3-500Z Eimac tube, manufacturing date seems to be 9640,
> as written on the envelope.
>
> The anode and the cathode/grid cylindrical assemblies are not perfectly
> coaxial.
> Looking at the anode bottom, the anode is closer to the grid for one
> it's side
> than the opposed one with about 3 mm, so the the distance between
> the anode axis and grid/cathode axis, at the bottom part of the anode is
>
> to about 1.5 mm.
>
> This should affect the anode to grid/gnd breakdown voltage.
> About a similar problem I have read in the RadCom (dec '98).
>
> Anyone having experience or using 3-500Z or ZG's with similar problem?
>
> Thanks,
> 73's,
> Traian
>
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