[Elecraft] K2 SSB filter tweaking

[John Rader]

I am going through my K2 to improve the alignement and
filter settings since the initial setup. I installed
the 2.5kHz filter width mod during construction. The
crystals were marked with the cal # 3.7, and per the 
instructions given  BFO tx frequencies 4913.6 LSB /
4916.3 USB. 
 
With these frequencies in FL1/OP1 my tx audio had too
much bass. A 50 Hz adjustment corrected this. So I am
happy with FL1 and others report great sounding audio.
 
I am not sure how to set FLs 2-4?
*Should FL2/OP1 be set to the original frequencies,
4913.6 LSB / 4916.3 USB, or to 4913.5 / 4916.1 per
table 3 in the KSB2 nstructions?
 
*What frequencies should be used for FL3 at 2.20kHz?
 
*What frequencies should be used for FL4 at 1.80kHz?
 
John K5XTX
K2 #3982




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