[Elecraft] Change to KX3 RF board at #2500

[Keith Heimbold]

Thanks for sharing this information as I would like to send up my KX3 serial 847 to Elecraft for this modification. I must be living under a rock because this is the first I heard of this mod.

Keith
AK6ZZ

Sent from my iPhone please excuse typos

On Nov 13, 2012, at 8:41 AM, "Dave Lankshear" <dave at lanks.plus.com> wrote:

> 
> Since my query received no response, I kept digging and found some info on
> the KX3 Yahoo reflector and together with snippets from those kind souls who
> sent emails direct to me, thanks guys, I got a better picture.
> 
> 
> 
> 
> 
> Seemingly, the changeover was at #2045 and involved a change in the RF board
> in response to QST's December 2012 review comments about very slightly lower
> dynamic range on 160 and 80 metres.  The modified RF board apparently sorts
> that out and there's also a low pass filter added to the BNC antenna
> connector that now has a tiny PCB and a toroid attached.
> 
> 
> 
> 
> 
> I asked about it because I'm assembling a KX3 for a friend and wanted to
> know whether the kit had the new or old RF board.  Fortunately, he's well in
> time and it sports the new RF board and BNC socket.
> 
> 
> 
> 
> 
> Apparently, Elecraft will update the KX3 for $49 but it's implied that you
> have to send the entire KX3 to them.  That's pretty hard on those outside
> the bottom 48 but my buddy's happy because it doesn't affect him.  If his
> KX3 had been pre-#2045 and he'd wanted the upgrade, I would have tried to
> beg an exchange PCB, rather like the DSP upgrade on the K3, as I have the
> confidence to take things apart and the ability to get 'em back together
> again (mostly) HI!
> 
> 
> 
> 
> 
> My thanks as ever to the Elecraft crew who are always willing to go the
> extra mile for their customers.
> 
> 
> 
> 
> 
> 73 Dave G3TJP
> 
> 
> 
> 
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