[ARC5] Tube Question

[WA5CAB--- via ARC5]

Probably an error in the Settings chart.  For example, all 1R5's test low 
to bad on any I-177-(*).  Range Switch error that was never corrected 
apparently.

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

In a message dated 09/20/2015 10:43:55 AM Central Daylight Time, 
releazer at earthlink.net writes: 
> I finally got out the tube tester I bought a while back and stared 
> learning how to use it.  It is simple emission tester. 
> 
> I found something puzzling.  I have two 6AW8A tubes that were sold to me 
> as good and a 6AN8A tube still in its original military box; these are 
> basically the same type tube.
> 
> In the tube tester all three test as bad, the meter needle in the high 
> area of the "replace" range.  Also, the meter needle wavers.  However a slight 
> upward adjustment to the Shunt control shows the tubes as good.  This is 
> true for both sections of the tubes.
> 
> Anyone have any ideas on this?
> 
> Thanks,
> 
> Wayne 
> ___________