[Elecraft] Re:New Crystals or Not

[WA9GQT@aol.com]

Hello to All!
      I  think we need to determine a good method of checking the spec's on 
our various K2's before we get the soldering stations hot and risk component 
damage.
      I have K2 SN 1900 which has the 4.91-0195 crystals in it.  I have done 
the 2nd XFil SSB mod(with 100pF & 5.6K resistor update) and the KO0B CW 
filter ultimate rejection mod. I was also one of the initial K2's with the AF 
Gain Mod.  
      I use my K2 on both CW & SSB, almost 50/50. I seem to have enough audio 
and am very pleased with CW & SSB.  I get wonderful reports on both modes.  I 
wonder just how much my K2 would benefit by replacing all my SSB and CW 
crystals.  
      We need good spectrogram parameters to be able to determine just how 
much improvement our K2's will receive from replacing all of the crystals.  
Thanks for the info.  

73, 

Rod WA9GQT  K2 SN 1900 


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