[AMRadio] Need advice on storing RF power tubes

[Donald Chester]

>BTW, where in 4-land are you where it gets below zero?  I thought you folks 
>had it easy down there compared to those in the great white north? (o:

Here in north middle TN, it normally gets below zero a time or two each 
winter, but the last few winters have stayed above zero.  The coldest I 
personally remember was -18.  According to the local highway dep't, it has 
dipped to -20.  But that's not normal for this region.

I also have heard the story about cold storage of tubes.  I suspect tubes 
like the 250TH, which already have a brittle filament, would not stand 
physical vibration while at that temperature.

Don k4kyv

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