3-500 tube Thanks

[Dave Leisman]

To everyone who took time to pass along information regarding break-in 
of 3-500 tubes I want to say "thanks", that all the information waas 
very much appreciated.

The advice I received ranged from "a couple hours" filament break-in 
time to 24 hours.  One persone even stated I could "plug and play", 
all absent any high voltage on the plates, and any exciter power.  

Several noted that while they had heard tubes needed a filament break-
in they had never heard of incrementally ramping up the exciter power 
while three (3) stated very emphatically that the tubes should be 
ramped up slowly (but they did state that 10 watts at a time was too 
conservative).

One ham provided a very detailed explanation of the process, a process 
called "egtering".  Not only was this interesting but very helpful as 
well.  Thanks.
Again, my thanks to all who took time to provide comments and 
assistance.



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