Mike,
The efficiency will very from band to band, and is also somewhat
dependent on the SWR it is working into.
I would not think it is a problem - that is what the high speed fan is
supposed to do, cool it with faster air, even if that is disconcerting.
A lot depends on your transmit vs. receive time intervals may be. There
are a whole lot of dependencies.
73,
Don W3FPR
On 1/8/2017 7:44 PM, W0MU Mike Fatchett wrote:
I was running the RTTY contest this weekend and expected to see higher
than normal temps but on 20m and maybe 15 the amp was running 65c and up
where the highest speed fan would come on. Generally in RTTY I would up
the normal fan a couple of notches and it would be fine. I was not
pushing it for full output either as I was not serious in the test.
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