[Elecraft] Combo pre-amp
Fred Smith
mfsj at mo-net.com
Sun May 26 05:15:44 EDT 2013
I for one would remove and sell my 2m module in my K3 in order to have an
internal 6/10/12m preamp.
JMHO
73,
Fred/N0AZZ
K3 Ser #'s 6730/5299--KX3 # 2573--K2/100--KAT100
P3/SVGA--KPA500--KAT500--W2
-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Gary Gregory
Sent: Saturday, May 25, 2013 9:49 PM
To: Joe Subich, W4TV
Cc: elecraft List
Subject: Re: [Elecraft] Combo pre-amp
Ah Joe,
Thankyou for resurrecting my thought that it IS possible. The issue will
most likely be a lack of quantity that would be sold versus the cost to
manufacture,
I will live in hope...:-)
thanks for the info Joe, much appreciated.
73
Gary
On 26 May 2013 12:45, Joe Subich, W4TV <lists at subich.com> wrote:
>
> > let's not let that technical inconvenience reduce in any way my hope
> > for a cure to my sometimes demented desires....:-)
>
> I'm not saying it isn't possible ... takes one additional relay and
> two connectors. There are even couple unused control lines on the
> KXV3A that could be used to control the added relay and switch bands
> (10/12 and 6 M) if necessary.
>
> 73,
>
> ... Joe, W4TV
>
>
> On 5/25/2013 10:13 PM, Gary Gregory wrote:
>
>> Hi Joe,
>>
>> Gee...Shhhhh....let's not let that technical inconvenience reduce in
>> any way my hope for a cure to my sometimes demented desires....:-)
>>
>> Of course you are quite correct Joe. Point taken mate.
>>
>> 73
>>
>> Gary
>>
>> On 26 May 2013 12:06, Joe Subich, W4TV <lists at subich.com> wrote:
>>
>>
>>> So, I will continue to want an internal pre-amp and it does not
>>> need
>>>
>>>> to be for 6M as I don't operate there either. This is MY choice and
>>>> does not hold sway with the masses but it is my choice after all.
>>>>
>>>>
>>> I agree that an internal preamp (or premps) would be ideal.
>>> However, in addition to the preamp(s) Elecraft would need to provide
>>> *another* design for the KXV3A - one that switches the RX ANT IN/OUT
>>> connections to internal jacks - as neither the original KXV3 or
>>> current KXV3A have that capability.
>>>
>>> 73,
>>>
>>> ... Joe, W4TV
>>>
>>>
>>> On 5/25/2013 9:24 PM, Gary Gregory wrote:
>>>
>>> I don't wish to flog a dead horse any further, however, choice is
>>>> something
>>>> it seems everyone on this list is after.
>>>>
>>>> So what if a K3 needs to NOT have a 2M transverter to fit a combo
>>>> pre-amp?....there are many K3's in the world not fitted with 2M.
>>>> This is a choice made by the original owner I guess which is what
>>>> it is, a choice. I fully appreciate everyone's point of view, but I
>>>> would hazard a guess I am not alone in wanting an internal unit as
>>>> a CHOICE, not at the expense of taking away other folks right to
>>>> choose.
>>>>
>>>> Wayne has stated Elecraft's case and that is there is not enough
>>>> room but his statement is qualified by the mention of the 2M option
>>>> which is a customer choice right?
>>>>
>>>> So, I will continue to want an internal pre-amp and it does not
>>>> need to be for 6M as I don't operate there either. This is MY
>>>> choice and does not hold sway with the masses but it is my choice
>>>> after all.
>>>>
>>>> You mention remote install, fine, but again it is still another
>>>> cable and still yet another box to cart around. Setup on a table
>>>> (standard picnic
>>>> size) the depth of the table means you need to have the K-Line
>>>> right on the rear edge and the 6M pre-amp protrudes far enough back
>>>> that if you are up against a barrier of some sort, the cables push
>>>> the K-Line forward and reduce the work space area such that little
>>>> room is left to operate in a comfortable manner.
>>>>
>>>> I could pontificate forever on the drawbacks when operating
>>>> portable but I am probably not a member of the right choir.
>>>>
>>>> Maybe an OEM will come up with a 'plug-in' internal 10M pre-amp
>>>> designed for a K3.....now that would solve everything for me and I
>>>> wouldn't have to plead my case....:-)
>>>>
>>>> It's all about choice folks!
>>>>
>>>> 73
>>>>
>>>> Gary
>>>>
>>>> On 26 May 2013 10:32, Walter Underwood <wunder at wunderwood.org> wrote:
>>>>
>>>> The original poster mentioned "those of us who operate portable".
>>>> Running
>>>>
>>>>> cables to the next room does not make that any simpler.
>>>>>
>>>>> wunder
>>>>> K6WRU
>>>>>
>>>>> On May 25, 2013, at 5:13 PM, Dr. William J. Schmidt, II wrote:
>>>>>
>>>>> This sounds like a lack of creative thinking. How about using
>>>>> two 90
>>>>>
>>>>>>
>>>>>> degree
>>>>>
>>>>> BNC elbows on the back of the radio and a couple of BNC jumpers.
>>>>> You
>>>>>> can
>>>>>> put the preamp anywhere... even in the next room is that is your
>>>>>> fancy.
>>>>>> Also, you might try one of the 50+ preamps that are already
>>>>>> available by
>>>>>>
>>>>>> a
>>>>>
>>>>> variety of companies with ultra-low noise figures. I'm not sure
>>>>> I
>>>>>> need
>>>>>> a
>>>>>> preamp to take up the space of my existing 2 meter module.
>>>>>>
>>>>>>
>>>>>> Dr. William J. Schmidt - K9HZ / J68HZ/ 8P6HK/ ZF2HZ
>>>>>>
>>>>>> Owner - Operator
>>>>>> Big Signal Ranch
>>>>>> Staunton, Illinois
>>>>>>
>>>>>> email: bill at wjschmidt.com
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From:
>>>>>> elecraft-bounces at mailman.qth.****net<elecraft-bounces at mailman.*
>>>>>> *qth.net <elecraft-bounces at mailman.qth.net>>
>>>>>> [mailto:elecraft-bounces@**mai**lman.qth.net
>>>>>> <http://mailman.qth.net>
>>>>>> <elecraft-bounces@**mailman.qth.net<elecraft-bounces at mailman.qth.
>>>>>> net>
>>>>>> >]
>>>>>> On Behalf Of Jeff Cochrane
>>>>>> Sent: Saturday, May 25, 2013 7:03 PM
>>>>>> To: elecraft at mailman.qth.net
>>>>>> Subject: Re: [Elecraft] Combo pre-amp
>>>>>>
>>>>>> Agreed Gary,
>>>>>> I too would be interested in an internal 10M pre-amp (or an
>>>>>> internal
>>>>>>
>>>>>> combo
>>>>>
>>>>> 6-10M pre-amp).
>>>>>> I already have the PR6 but like you say it (in stock form)
>>>>>> protrudes so
>>>>>>
>>>>>> far
>>>>>
>>>>> out behind the rig that it almost impossible to use for portable
work.
>>>>>> Mounting it internally is the way to go and I reckon a combo
>>>>>> pre-amp
>>>>>>
>>>>>> would
>>>>>
>>>>> sit nicely where the internal 2M transverter normally goes.
>>>>>>
>>>>>> Jeff Cochrane - VK4XA
>>>>>>
>>>>>>
>>>>>>
>>>>>> Gary Gregory-2 wrote
>>>>>>
>>>>>> Well I do hope there will be a version for 10M perhaps that will
>>>>>>> install
>>>>>>> within the K3. Much as it would be nice to have I am not going
>>>>>>> to buy
>>>>>>>
>>>>>>> more
>>>>>>
>>>>>
>>>>> boxes needing to be plugged in, cabled or whatever.
>>>>>>
>>>>>>>
>>>>>>> Whilst I understand some folks have space available and can wire
>>>>>>> in as many boxes as are available, those of us who operate
>>>>>>> portable tire very
>>>>>>>
>>>>>>> quickly
>>>>>>
>>>>>
>>>>> of sorting cables, boxes and the resultant tangled leads.
>>>>>>
>>>>>>>
>>>>>>> I guess I will have to wait and see what is produced but another
>>>>>>>
>>>>>>> external
>>>>>>
>>>>>
>>>>> box such as the 6M pre-amp which protrudes too far and can easily
>>>>> be
>>>>>>
>>>>>>> knocked around is a non starter for me no matter that I could
>>>>>>> use it, it is what it is, a box too far.
>>>>>>>
>>>>>>> Gary
>>>>>>>
>>>>>>> --
>>>>>>> *Gary - VK1ZZ
>>>>>>> Skype: Gary.VK1ZZ
>>>>>>> Motorhome Portable
>>>>>>> The Shack*
>>>>>>> *Elecraft K3
>>>>>>> P3 Panadapter
>>>>>>> KPA500FT
>>>>>>> KAT500FT**
>>>>>>> KX3-K
>>>>>>> *
>>>>>>> ______________________________****____________________________**
>>>>>>> __**__
>>>>>>> Elecraft mailing list
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>>>>>>> >
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>>>>>>>
>>>>>>>
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>>>>>>
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>>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> -----
>>>>>> Jeff Cochrane - VK4XA
>>>>>> East Innisfail
>>>>>> Queensland
>>>>>> Australia
>>>>>> K3 #4767
>>>>>>
>>>>>> --
>>>>>> View this message in context:
>>>>>>
>>>>>>
>>>>>> http://elecraft.365791.n2.**na**bble.com/Combo-pre-amp-**<http://
>>>>>> nabble.com/Combo-pre-amp-**>
>>>>>>
>>>>> tp7573740p7574221.html<http://**elecraft.365791.n2.nabble.com/**
>>>>> Combo-pre-amp-**tp7573740p7574221.html<http://elecraft.365791.n2.n
>>>>> abble.com/Combo-pre-amp-tp7573740p7574221.html>
>>>>> >
>>>>>
>>>>> Sent from the Elecraft mailing list archive at Nabble.com.
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>>>>>> __**__
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>>>>>>
>>>>> --
>>>>> Walter Underwood
>>>>> wunder at wunderwood.org
>>>>>
>>>>>
>>>>>
>>>>> ______________________________****____________________________**__
>>>>> **__
>>>>> Elecraft mailing list
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>>>>>
>>>>>
>>>>
>>>>
>>>>
>>
>>
--
*Gary - VK1ZZ
Skype: Gary.VK1ZZ
Motorhome Portable
The Shack*
*Elecraft K3
P3 Panadapter
KPA500FT
KAT500FT**
KX3-K
*
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