Rich,
How do you open the cheramic seal tubes to inspect them when they are dead ?
Have a couple of interesting ones laying on the shelf...
73
Peter
SM2CEW
> Contrary to innuendo noted on this reflector some weeks ago,
>I've never seen "gold balls" in any power tube used in any ALPHA or ETO
>medical or industrial amplifier - not an 8874, 8877, 3CX800A7, 3CPX5000A7,
> 4CX800A or other tube.
? If one opens leaky tubes to see what's what, the warranty is voided.
> Neither I nor any other ETO/ALPHA employee so far
>as I know has ever learned of any such event from any credible source,
? There are some photographs of gold sputtered tubes in the September
1990 issue of *QST*.
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