Colin,

I have one of those and mine never gets that hot.  Are you sure the fan is
working correctly?  Are the openings for the fan clear of obstructions?

73,

Tom Childers
Radio Amateur N5GE
Licensed since 1976
QCWA Life Member 35102
ARRL Life Member
Retired Professional
C# Software developer
http://www.n5ge.net

On Fri, 07 Jan 2011 18:25:02 -0500, Colin VE3MSC <[email protected]>  wrote:

>I've built up all 3 XVs, and find the 432 the hottest of the bunch. 
>What are you doing to manage the heat ?  My output power drops and 
>the case hits over 60C / 140F if I run for a minute at about 
>10W.  (Attenuator not a factor as driving at low level).
>VE3MSC Colin
>
>
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