[Elecraft] KPA500 max heat sink temp?

[William Hammond]

Hi Eric, My manual (revision B, 2011) that came with my SN 0149 says 90C maximum, page14 in the specifications.  It also says drive power 30-40 watts for 500 out and I have never beed even close to that, usually 22-26 watts drive.  

FYI,
Bill-AK5X

> On Jul 8, 2020, at 6:00 AM, Eric Norris <norrislawfirm2 at gmail.com> wrote:
> 
> I just read in the current KPA500 Manual that max heat sink temp is 90C.
> Is this true for my first-year production KPA500?  I seem to remember
> somethink like 75C.  I cant find my old manual.
> 
> 73 Eric WD6DBM
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