[Elecraft] KAT3 vs MFJ 949E

David Gilbert xdavid at cis-broadband.com
Thu Sep 27 18:04:10 EDT 2012


Higher loss components in some cases, but designs that produce 
sub-optimal L-C ratios in others.    Check the QST review of high power 
tuners from a few years ago if you don't believe me, and then do a 
Google search for melted inductors in MFJ tuners if you still don't.

Dave  AB7E


On 9/27/2012 12:04 PM, hawley, charles j jr wrote:
> Why would they be less efficient?
>
> Sent from my iPhone
>
> On Sep 27, 2012, at 1:55 PM, "David Gilbert" <xdavid at cis-broadband.com> wrote:
>
>> My guess would be that you are more significantly inconveniencing the
>> ether now as well.   As tuners go, the MFJ ones are not universally
>> known for being among the most efficient.
>>
>> 73,
>> Dave   AB7E
>>
>>
>> On 9/27/2012 10:33 AM, Ian Kahn wrote:
>>> While it isn't the exact same model from MFJ, my -962D has issues tuning my
>>> two antennas (Traffie Technologies HX-5Bi hex beam, MFJ G5RV) on certain
>>> bands.  The KAT3 in my rig tunes both antennas flawlessly.
>>>
>>> Hope this helps.
>>>
>>> --Ian
>>> Ian Kahn, KM4IK
>>> Roswell, GA  EM74ua
>>> km4ik.ian at gmail.com
>>> K3 #281, P3 #688
>>> HRD v5.x/6.0 Test Team
>>>
>>>
>>> On Tue, Sep 25, 2012 at 10:41 AM, Arie Kleingeld PA3A <pa3a at xs4all.nl>wrote:
>>>
>>>> Wayne,
>>>>
>>>> The KAT-3 tunes just about anything.
>>>> The MFJ tuner I have had for a long time is collecting dust now.
>>>>
>>>> No doubt about it, choose the KAT3, smooth operating.
>>>>
>>>> 73
>>>> Arie PA3A
>>>>
>>>>
>>>> Op 25-9-2012 14:01, Wayne gmachl schreef:
>>>>> I currently have a K3/100 and am using the MFJ 949E and am looking at
>>>>> getting the KAT3. The 949 is working great, but would like input as to
>>>>> changing to the KAT3.
>>>>>
>>>>>
>>>>> 73,
>>>>> Wayne
>>>>> KD0NEO at gmail.com
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