[AMRadio] RE: Cool tubes

Donald Chester k4kyv at hotmail.com
Thu Aug 24 16:03:38 EDT 2006

Been there, done that.  But mine was a much cruder setup.  Simply turned the 
amplifier chassis upside down and lowered the tube into a small glass  
container filled with water.  It made the difference between stable 
operation and thermal runaway before the end of a long transmission.  My 
tube was the audio driver for a pair of triode connected 807's in the 

Don k4kyv

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