> Hi
> I hope you non`t think this trivial but.....
> Can anyone confirm one way or the other the placing of the internal
> screening plate at bottom of tube near base which is connected to a
> pin,and is grounded I believe
> If the 813 is like the QQVO6-40a tube which had a similar internal plate
> this had to be placed at deck height or instability was a problem.
> I have decided to do something different and build a 3 band amp using
> 4x813 for 160,80,40..
> Yes I know these are old tubes but they just look dam classy if you know
> what i mean!.
> Just getting ready for the flack!
> Jon G8CCL
I'll echo Carl's comments - I don't think it makes any difference
at all. Mine ran at around 2kV and were rock solid stable, even
without the dreaded suppressor. And yes, they look great!
Steve
PS no 'c' in flak - it comes from FLiegender Abwehr Kannonen.
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