Keep in mind the fan may come on more and end up at higher speeds more
ofter if you put the KAT500 on top. That is not to say it will
overheat. Fan noise for some is a KPA500 issue.
73 de Brian/K3KO
On 5/27/2013 13:39, Fred Smith wrote:
I guess it boils down to whatever trips your trigger and the people who
designed it said to put it on top if you wanted, no problems.
73,
Fred/N0AZZ
K3 Ser #'s 6730/5299--KX3 # 2573--K2/100--KAT100
P3/SVGA--KPA500--KAT500--W2
-----Original Message-----
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Richard Gillingham
Sent: Monday, May 27, 2013 8:31 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA500 question about cooling
Yes.
The very first statement under Installation in the KPA500 owner's manual is
the following:
"IMPORTANT: Provide at least 2 inches (5 cm) clearance behind the fan and
above the amplifier for proper air flow."
Nuf said.
73,
Gil, W1RG
From: w...@bellsouth.net
Date: Sun, 26 May 2013 23:39:00 -0400
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA500 question about cooling
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, mcduf...@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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