Hi Jeff,
You will need a microphone with lots of gain. I use the Elecraft (Heil)
MD2, which I believe is still available from Elecraft at a reduced price.
What crystal filter bandwidth did you use in your KSB2 adapter? I
widened the bandwidth in mine to 2.2 kHz by changing capacitors CA & CP
to 39 pF;
CB,CN Open; CC, CM 27 pF; CD, CL Short; CE, CK 39 pF; CF, CJ 100 pF;
CG, CH 39pF.
Also be sure to use the Filter alignment instructions in the KSB2 manual
on pages 19 & 20 to set up your filters.
I do not need a pre-amplifier, and get excellent reports from around the
world with my K2/100 S/N 4031 on SSB, which incidentily is the only mode
I use.
If you need help give me a call on the land-line (519) 656-9940.
73, Bob VE3XM
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