[Hammarlund] Speaking of Tubes ...

[Glen Zook via Hammarlund]

That is true for some power tubes like the 3-500Z what often have leaky seals around the tube pins.  But, for the vast number of receiving tubes and lower powered transmitter tubes, as well as most ceramic power tubes, not necessary.  I have tubes that have been around for almost 90-years that haven't had power on them for decades that still work fine when put in a unit.
 
Glen, K9STH 

Website:  http://k9sth.net


On Monday, September 29, 2014 5:23 PM, Arthur Delibert <radio75a3 at msn.com> wrote:
 



I read somewhere that tubes should be taken out of the closet every year or so and used for a few hours to drive off gas.  is there any truth to that?

Thanks.

Art Delibert
KB3FJO
                          
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