[Amps] Orientation

[Paul Higginson]

In message <003a01c5524d$f635af40$0301a8c0 at home>, Steve Thompson 
<g8gsq at ic24.net> writes
>Paul Higginson wrote:
>> In message <001f01c5522e$c2a08480$0301a8c0 at home>, Steve Thompson
>> <g8gsq at ic24.net> writes
>>> Having opened one up, the construction is such that it doesn't
>>> matter a jot. Be sure to have a good support for the anode cooler,
>>> though!
>I need to correct myself - the tube I opened up was GS35, not GS23, although
>I expect the internal construction is substantially the same, and my
>comments apply.

Thanks for the clarification Steve, anyone with further information 
please jump right in.

I've heard from some sources that the structure of the tube can change 
internally as it gets warm / hot and that changes to the tuning is 
minimised by vertical mounting.

Anyone agree or disagree please?

Regards Paul
-- 
73 de Paul GW8IZR
(IO73TI Anglesey)