[Elecraft] K2/100 and KAT2

[Kurt Cramer]

You guys are making this too hard. The 20 watt tunner mounts in the QRP K2 top. When you take off the QRP top off to put on the 100 watt amp the QRP tunner has gone away. I have both tunners and it is no problem going back and forth. The 100 watt runner has places for the K2’s feet to fit into on it’s top. So the K2 and tunner stay togeather. But the K2 will lift off. I made some side plates out of aluminum that go under both the K2’s sides and the tunner’s sides. Now if I pick-up the K2 the tunner comes with it. 

Kurt/W7QHD
> On Apr 15, 2016, at 8:36 PM, Brian Denley <b.denley at comcast.net> wrote:
> 
> Ted:
> You might look into building the K2/100 in the 'Twins' configuration.  To switch from 100 watts to qrp just requires disconnection the power amp box.  This configuration allows the KAT2 to be used along with the high power tuner.  I built mine that way and it works very well.
> 
> Brian 
> KB1VBF
> Sent from my iPad
> 
>> On Apr 15, 2016, at 10:56 PM, Dauer, Edward <edauer at law.du.edu> wrote:
>> 
>> A question for those who have the K2/100 ---
>> 
>> I finished building and am now becoming familiar with operating the K2/100 and the KAT100-1.  It’s a great combination; but for portable work it’s heavy and there are two boxes.  At the time I bought it I did not purchase the KAT2 – the internal low power tuner.  My questions have to do with having both the KAT2 and the 100W amp. Installed at the same time.  I tried investigating this in the manuals but for some reason the link to the online KAT2 manual isn’t working tonight.
>> 
>> Two questions.  First, is there a physical space problem if a K2 has the 100W option, and the KNB2, and the APF/Clock option ,and the KAT2, or can the KAT2 stay on board even when the 100W amp is in place?  Second, does the system switch automatically from the KAT2 to the outboard KAT100-1 when the amp is in (or when the power exceeds the KAT2’s limit?)  What I mean to be asking is whether having the KAT2 inside will complicate the process of removing the amp to go “barefoot” with the base K2.  As it stands now it’s six screws twice, five plugs, and no configuration changes.  Does having a KAT2 on board add anything to that?
>> 
>> Thanks in advance . . .
>> 
>> Ted, KN1CBR
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