[Elecraft] How to build an old KSB2 kit?

n7zf nsevenzf at yahoo.com
Tue Feb 16 00:39:30 EST 2010


I am building a K2 for a friend who bought it about 10 years ago.  S/N 1988. 
I am ready to start on the KSB2 module, but am confused about which
documentation to follow.

The KSB2 kit came with a Revision C manual.  The current KSB2 manual is
Revision E (plus an errata page).  Aside from the errata page, the
differences that I see between the Revision C and E manuals are the crystal
filter capacitors and a slightly different crystal frequency.  I could not
find a description of the KSB2 crystal filter change in the email archives.

My 7 crystals are marked ECD D 4.91-0195 Korea HO.  The SSB firmware was
1.04 that came with the kit, but I have the 1.08B upgrade.  I also have the
PSK-31 upgrade kit for SSB.

Should I order the Revision E capacitors to build this kit or just use the
originals?  Do I need different crystals?

My KSB2 circuit board is marked Rev. D.  Is a newer circuit board needed for
building with the Revision E manual or is Rev D the current board?

Thanks in advance for any help!
Bob/N7ZF  

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