Brian,
The crystal sets included with the base K2 and the KSB2 option are matched
sets already, so you should use them. There is no need to have the crystal
sets for the two different filters exactly matched (the 2nd crystal filter
in the base K2 is broad) - you will actually have two sets of 7 matched
crystals rather than 14 matched crystals - just don't intermix them.
The reason you changed the crystals in your older K2 was because Elecraft
tightened the specs on the crystals that they were buying, and the newer
crystals were much better than the older ones - that is just history now and
all crystals should be coming in conforming to the improved motional
inductance spec.
73,
Don W3FPR
----- Original Message -----
> Hi all: I have on order, due any day, my second K-2. I ordered it with
the
> 100watt amp and the SSB board. In looking at all the mod kits --- which I
> needed for my first K-2 (S/N 2528), I see that the matched XTAL sets for
the
> K-2 and the KSB2 do not carry the notation "supplied will all K-2s..." of
> recent vintage. Do I need to order these separately in order to have the
> best possible performance, or are the K-2s and KSB2s now coming with
> appropriately matched sets of XTALs?
>
> Tnx de Brian W3BW
>
>
>
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