[Elecraft] K2 Preamp on and huge key clicks. Normal?

[Eric Swartz WA6HHQ - Elecraft]

Hi Andy,

Was your noise blanker ON?  If so, the additional gain from the pre-amp could 
increase the NB's tendency to cause strong signal IMD. This is true of all 
noise blankers.

73, Eric  WA6HHQ


Andreas (KU7T) wrote:

> I sometimes noticed that issue before, mostly when I was mobile operating.
> But this time, I hardly could do any contest exchange without retries.
> Without thinking, I turned of the Preamp and the clicks where gone.  I
> usually work with Preamp on, especially on 20, since I just use low wire
> antennas.

> 
> Is this normal behavior of the Preamp?  If so, can someone explain to me why
> this is the case?  Is the RX overloaded?  If this is not normal, where
> should I start troubleshooting?