[Amps] 3-500Z problem

[wlfuqu00@uky.edu]

I have done this with 4-1000s but not with 3-500Z.
wear gloves, goggles or full face shield and long sleeve shirt.

73
Bill wa4lav


At 04:35 PM 5/13/02 -0400, Ron wrote:
>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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