[Elecraft] KPA500 question about cooling

Sebastian, W4AS w4as at bellsouth.net
Sun May 26 23:39:00 EDT 2013


I do a lot of meteor scatter on 6 meters, and I've tried the tuner both above and below the amp. 

I've found the KPA500 runs cooler with the KAT500 tuner below the amp.

73 de Sebastian, W4AS



On May 26, 2013, at 6:23 PM, mcduffie at ag0n.net wrote:

> On Sun, 26 May 2013 15:06:25 -0700, Ron D'Eau Claire wrote:
> 
>> The KAT500 may be placed on TOP or under the KPA500. 
> 
> I wouldn't put it on top.  I can hear fan and air changes if I get within a half
> inch of the intake slots with my hand at higher speeds.  You can feel the air
> flow considerably at high speed with your hand an inch over the opening.  That
> means it does affect the airflow to put something that close.  I don't care if
> the factory or a manual says you can do it.  I sure wouldn't run mine that way.
> 
> Gary



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