In reference to a thread called, "Tube Creep":
I have never seen mention of forced air cooling for vacuum tubes in the books I have read. I wonder...does blowing air on a vacuum tube change its power rating much? I know some monster tubes are water cooled, but I'm talking about octal base power amplifiers or rectifiers that any of us might meet tomorrow on a repair job. It seems to me that the vacuum in the tube makes a good insulator so there is no convection. Conduction exists and radiation exists. So, does anybody have a reference or personal knowledge?
Number Twelve
I have never seen mention of forced air cooling for vacuum tubes in the books I have read. I wonder...does blowing air on a vacuum tube change its power rating much? I know some monster tubes are water cooled, but I'm talking about octal base power amplifiers or rectifiers that any of us might meet tomorrow on a repair job. It seems to me that the vacuum in the tube makes a good insulator so there is no convection. Conduction exists and radiation exists. So, does anybody have a reference or personal knowledge?
Number Twelve