Well I dug out my MSR2000 hiband service manual, and as I remembered, 
the PA is intermittent duty and not continuous duty.  The manual does 
mention a temperature sensor that goes to a feed back loop and reduces 
output power for self preservation when things get hot.  The radio is 
pretty much a Mitrek design with what looks pretty close to a Micor PA.  
I set up one hiband station with a dual receiver (some kind of telco 
simplex base / repeater operation and it seemed like out of the box I 
could not get full power out - I did not try and do any modes on a 2M 
ham freq.  I also maintained an UHF MSR - Med Base / Rept  - seems like 
75 watt version and had a couple of collector burns in the PA - 
otherwise seemed to be OK stations.  Steve NU5D


nj902 wrote:
> MSR2000 "far superior to the Mastr II" ?
>   
>

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