[Amps] LK-500 ZA heat

[gdaught6 at stanford.edu]

On 14 Aug 2007 at 17:03, kg7hf at comcast.net wrote:

> So if I just take the top of my LK500 amp off and place a 18" box fan (from walmart) over it, on high setting, it should run cooler correct?
> 
> My real question:  Is there a point where you have too much cooling and that would cause a problem?

Not likely!  Heat is the enemy of tube life [so long as the 
filament/cathode achieve the required temperature, of course].

Rich, AG6K, used to say that the only danger was when there was 
enough cooling air to blow the tubes out of their sockets!

73,

George T. Daughters, K6GT