[Elecraft] K2 SSB

[Don Wilhelm]

Rich,

All I can say is that if you have CB and CN populated, either you have the
2.1 kHz filter or that you made some mistake in pluging the capacitors (the
latter not likely since you indicate the capacitors called for in your
manual).  I can confirm that the 49136-S crystals are the new type.

In any case, all you need to do is change the capacitors to those required
for the new bandwidth and you should be 'good to go'.  I have not compared
the manuals in detail, but as far as I have observed in several KSB2 builds,
the only recent change to the KSB2 manual has been the filter width change
information and the prior errata information has been incorporated into the
new manual.  Other than the firmware changes to support the K60XV option and
the addition of the bandwidth information, the KSB2 has been quite stable
for some time.  Whe you finish, you should have no caps in the CB and CN
positions.

73,
Don W3FPR

> -----Original Message-----
>
> On a whim, I decided to order the SSB upgrade capacitor kit for
> my K2 Serial
> #4331 as I never have been happy with the SSB audio.
>
> While trying to decipher the tech sheet (installation
> instructions) I notice
> that it shows no caps in place for CB and CN. It was my
> understanding that
> Serial 4331 should have a 2.4 filter setup. My crystals are
> marked with the
> "4.9136-S", so I am assuming its a late kit.
>
> I just pulled out MY manual and it shows installing CB and CN and
> does not
> look like the manual on the Elecraft site that says to leave them out. I
> have no erata sheet with my K2 stuff.
>
> So I am wondering if Elecraft just shipped me an old manual??
>
> Anything else I should look for that has changed between manual revisions?
>
> 73,
>
> Rich
> kd0zv
>
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