Hi Bob.

Contact support(at)elecraft.com and request the free KPA1500 power supply load resistor kit.  They can also tell you if your amp S/N was manufactured before we started adding the load resistor to new units some time ago.

73,
Eric
/elecraft.com/

On 12/30/2019 8:12 AM, K0RKH wrote:
               Thank You to the replies I have recieved on this subject.  When
I get back home in a few days I will look for the electrical hash again with
the fan on.  I am guessing that this would point to the suggestion of some
slight loading of the power supply to smooth out emitted noise.
Bob K0RKH
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