[Elecraft] Highest power supply voltage for K2?

[Ron D'Eau Claire]

althoff at verizon.net  
writes:

What is  the absolute highest safe voltage you can pump into the K2 before 
you start  overheating the regulators etc? 

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The K2 manual says "9 to 15 vdc" 

I'd be inclined to believe them if you want to keep the smoke inside those
components...

Ron AC7AC