[Elecraft] MFJ's new Internal K3 Tuner, anyone tried one yet?

Phil Wheeler w7ox at socal.rr.com
Mon May 11 22:26:52 EDT 2015


However good, bad or indifferent its performance, 
I'd not install it in my K3. If it went awry who 
knows what else it might take with it.  I plan to 
put no non-Elecraft elements *inside* my K3, MFJ 
or not. Exception would be items recommended or 
sold by Elecraft, of course, even if made by a 3rd 
party.

External tuners are a whole different matter.

Phil W7OX

On 5/11/15 7:20 PM, Tim Tucker wrote:
> I have not tried this "version" of an MFJ autotuner.  However, I have tried
> others, including their auto tuners capable of handling legal limit.  My
> results were mixed, at best.  If MFJ is using the same basic algorithm in
> this K3 tuner as their other tuners, I would not be interested in buying it
> as those tuners were not nearly as capable at loading up odd lengths of
> wire as the Elecraft units have been.  Case in point:  I had an MFJ
> autotuner inline and it couldn't load up an Alpha Delta DX-CC on 12 meters
> with the MFJ, but I could with the K3 tuner.  Also, the SWR bridge's meter
> on the MFJ was waaaay off compared to other meters / analyzers.
>
> FWIW, I'm not an "anti-MFJ" guy, but my experience with their auto tuners
> hasn't been  the best.
>
> On Mon, May 11, 2015 at 6:42 PM, Don Wilhelm<w3fpr at embarqmail.com>  wrote:
>
>> Consider that the Elecraft repair form includes a statement that any
>> aftermarket mods or additions must be removed before sending the equipment
>> to Elecraft for repair.
>>
>> How would you like to remove the MFJ tuner from your K3 before sending it
>> for repair?
>>
>> 73,
>> Don W3FPR
>>
>> On 5/11/2015 9:35 PM, Gary Gregory wrote:
>>
>>> Hey guys...valid question. Curiosity is a good thing.
>>>
>>> Jeff only asked if anyone had an opportunity to try one.
>>>
>>> I wonder what Elecraft think.
>>>
>>> He did NOT say he wanted to buy one but like me he is most likely curious
>>> and I can't imagine what MFJ are thinking. The KAT3 is an outstanding
>>> product and I am scratching my head trying to think how MFJ could improve
>>> on the kat3.
>>>
>>>
>>>



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