[Amps] Amps Digest, Vol 170, Issue 27

Jim Brown jim at audiosystemsgroup.com
Fri Feb 17 12:24:33 EST 2017


That makes sense, Jay.  it would, indeed, be effective for that application.

73, Jim K9YC

On Fri,2/17/2017 7:41 AM, Jay Terleski wrote:
>> What your missing Jim is this is a Balun for the band below 10m 8o)  Where
>> the real ampllifiers are used.
>>
>> We sell a few of these a year to these big amp enthusiasts, and I am many
>> times impressed with their knowledge of what it takes to run and maintain
>> these amplifiers.  Some guys even have 3 phase running into their basements
>> where they have a large power plant.
>> We build these with EIA flanges too.  Also some agencies buy our bigger
>> baluns for their applications.  We usually consult with them to get the
>> best performance from the custom baluns for their frequency range.
>>
>> Thanks for asking.
>>
>> Jay, WX0B
>>
>>
>> Jay Terleski
>> Array Solutions
>> 214 954 7140
>>
>>
>>
>>>     1. What am I missing....balun (Jim Thomson)
>>>
>>> Message: 1
>>> Date: Thu, 16 Feb 2017 09:58:50 -0800
>>> From: "Jim Thomson" <jim.thom at telus.net>
>>> To: <amps at contesting.com>
>>> Subject: [Amps] What am I missing....balun
>>> Message-ID: <B8422C4EB8114F5F8257F6CEFBF8E592 at JimPC>
>>> Content-Type: text/plain;       charset="iso-8859-1"
>>>
>>> https://www.arraysolutions.com/index.php?_route_=as-50-1din-20k
>>>
>>> What am I missing here ?   Appears to be 2 turns through  6 x type 31
>>> cores.
>>> These are standard 2.4 inch OD cores.   Coax is just  RG-393.   The mess
>>> of caps on the balanced end is to tune out the xl of the threaded brass
>>> material used to go through each insulator.   Rated for 20 kw cw, and 40
>>> kw ssb,
>>> from 1.8  to 30.0 mhz.   12 x 6 x 4 inch nema box.  Box appears to be
>>> aluminum.
>>>
>>> I cant fathom how this would have enough Z or RS to be effective on any
>>> band, maybe
>>> 10m.
>>>
>>> Jim  VE7RF
>>>
>>>
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