[Amps] 'gettering 572B'

donroden at hiwaay.net donroden at hiwaay.net
Thu Jun 25 09:53:26 PDT 2009

I think it is more important to keep filament voltage at or below 6.3vac.
Before modification, mine on a 30L-1 was over 6.9 standby and 6.7 under load.


Quoting Roy <royanjoy at ncn.net>:

> Svetlana states its 572B has getter on the plates. Needs only to be operated
> under power.
> 73,   Roy    K6XK
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