[TowerTalk] Balun for Force 12 6 Element 20 Meter Monobander

N4ZR n4zr at comcast.net
Tue Jul 21 12:03:04 EDT 2020


On advice from another of the frequent online gurus (that is, not K9YC), 
I bought a MyAntennas choke balun to replace the fried line isolator of 
my Carolina Windom.  It's pretty, and its cylindrical form is less 
conspicuous in that role than a BalunDesigns box.  I do think we badly 
need the ARRL or some impartial source to do a lab comparison of what's 
out there, given the strong and conflicting opinions asserted on this 
reflector and elsewhere.  Too bad the ARRL's QST product reviews have 
deteriorated so much.

73, Pete N4ZR
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On 7/21/2020 11:42 AM, Robert Harmon wrote:
>   I just looked at the 5KW choke balun on the MyAntennas site.  I like the fact that they show the choking impedance.  Not so with most of the other providers.  I looked for the choking impedance data on the DXE baluns and could not find it.  I guess I could call them and find out.
>    
> The last two choke baluns I installed, I made myself from Jim's cookbook.  I know what the choing impedance is and it cost much less than buying one.............
>
> Bob
> K6UJ
>
>
>
>> On Jul 20, 2020, at 11:13 PM, Máximo EA1DDO_HK1H <ea1ddo at hotmail.com> wrote:
>>
>> Have you seen MyAntennas.com<https://myantennas.com/wp/product-category/balun/11-baluns/> baluns ?
>>
>> Worth to visit.
>> This guy make them best in class, I guess are same level or higher than DXE and Balun design.
>>
>> 73, Maximo
>>
>>
>>
>>
>>
>> Visita y registrarte mi nuevo canal en YouTube
>>
>> EA1DDO Ham Radio<https://www.youtube.com/c/EA1DDOHamRadio>
>>
>> <http://foro.ea1ddo.es/>
>>
>>
>> ________________________________
>> De: TowerTalk <towertalk-bounces at contesting.com> en nombre de Jim Brown <jim at audiosystemsgroup.com>
>> Enviado: martes, 21 de julio de 2020 5:19
>> Para: towertalk at contesting.com <towertalk at contesting.com>
>> Asunto: Re: [TowerTalk] Balun for Force 12 6 Element 20 Meter Monobander
>>
>> On 7/20/2020 8:09 PM, Tim Duffy wrote:
>>> Take another look at DX Engineering's baluns. Balun Designs are not the balun of choice.
>> I haven't evaluated current production DXE chokes, but I did measure a
>> Balun Designs 1:1 unit that looking NOTHING like it's data sheet. It was
>> a lousy choke. It is unlikely to overheat, but it's also unlikely to do
>> anything useful except transfer dollars from the purchaser to the
>> seller. They're pretty, but that's all.
>>
>> Unless you happen to have more money than time, I strongly recommend
>> building your own following the guidelines in the 2018 version of my
>> Cookbook. If Tim would send me stuff to measure, I would gladly do it.
>>
>> 73, Jim K9YC
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