>Guys,
>I am repairing / rebuilding a 77DX amplifier. The "A" & "B" band positions
>are both for 160 meters ... the manual says that on "B" position additional
>loading is provided ... was this a after the fact mod ? Schematic shows
>nothing on band switch for a second 160 meter position and this 77DX is
>earlier serial number and did/does not have but the one 500 pf load cap
>switched in on 160 meters. What am I missing ?
Beats me, but the 500pF cap used is not rated for the extant RF
circulating current, nor is it recommended for tuned circuit use.
>Thanks,
>Terry W6RU
>
>
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