I am still wrestling with the alignment of my 4KU. I am told that the 4KU's
that were sold to the military were supplied with a "Service Manual" that
had much more info regarding how to set up the gang tuned circuitry that is
adjusted as the Tune control is turned. The regular Operating and
Maintenance manual that accompanied the civilian amps did not cover this. I
would really like to hear from someone that has this info. I suspect that
Henry did not use 300 ohms as the intermediate impedance between the Pi and
the L of the tank circuit. The reason I think this is because when I set up
the L inductor for a specific band, it does not track properly as the
frequency is changed.
Any help would be greatly appreciated,
Bob W6TR
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