> If you put the KAT500 above the amp the fans run more often, but are able to 
> keep the amp cool enough for most normal uses. K6XX did test this early on 
> with thermometers. It comes up to fan temp more quickly, but settles at the 
> same temp. I have mine above the amp, but the amp can also be above the ATU, 
> which is what I might do except that the cover of my ATU is off most of the 
> time for a firmware debug cable. 

Putting the amp over the ATU helps keep the ATU in place if you are troubled by 
cables tending to move the ATU. 

I like the look of K3, P3, and KAT500 lined up. I don't need to operate 
controls on either the amp or ATU often enough to make it a significant 
ergonomic issue. I do care about the height of the K3 above the desk tho.

 If I were a RTTY contester in the tropics, I would allow more than minimum 
clear air space around the rig and amp. 

It's a personal choice issue.  

73 de Dick, K6KR


On May 26, 2013, at 1:40 PM, Bill <[email protected]> wrote:

> Is it necessary that the top of the amp be unblocked? I was thinking of the 
> KAT500 being placed on top of the amp. Perhaps the other way around would be 
> better? Any side clearances required?
> 
> I am designing a new radio desk that will house my K3, P3, and yet to be 
> purchased amp and tuner.
> 
> Thanks,  Bill W2BLC
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