Power adapter for KX1

[Eugene Worth]

Ladies and Gents:

I am thinking about getting a KX1 kit for a mini-DXpedition to Bonaire (PJ4) early next year. I think that and an Array Solutions PS-12R1A wall wart power supply plus an EndFedZ 40/20 antenna should be a nice little package that will easily fit in a backpack. That power supply should get nearly all of the 4W output as well. The primary reason for going is SCUBA, but you can’t dive all day/night …

Long story short, I also have a Ten Tec 506 Rebel. I can use the same PS on both if the adapter is the right size. SO, what is the adapter size for external power on the KX1 … I think that’s part J1 in the schematics.

2.1mm? 2.5mm?

Thanks in advance. I’ve looked at the KX1 documentation. I can’t find anything except “J1" … and no post size.

gene
WG7GW
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[vk2rq]

It's 2.1mm.

73,
Matt VK2RQ

> On 3 Aug 2014, at 2:38 am, Eugene Worth <[hidden email]> wrote:
>
> Ladies and Gents:
>
> I am thinking about getting a KX1 kit for a mini-DXpedition to Bonaire (PJ4) early next year. I think that and an Array Solutions PS-12R1A wall wart power supply plus an EndFedZ 40/20 antenna should be a nice little package that will easily fit in a backpack. That power supply should get nearly all of the 4W output as well. The primary reason for going is SCUBA, but you can’t dive all day/night …
>
> Long story short, I also have a Ten Tec 506 Rebel. I can use the same PS on both if the adapter is the right size. SO, what is the adapter size for external power on the KX1 … I think that’s part J1 in the schematics.
>
> 2.1mm? 2.5mm?
>
> Thanks in advance. I’ve looked at the KX1 documentation. I can’t find anything except “J1" … and no post size.
>
> gene
> WG7GW
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> Elecraft mailing list
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> Please help support this email list: http://www.qsl.net/donate.html
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[Don Wilhelm-4]

Gene,

*All* Elecraft coaxial power jacks are 2.1mm.

73,
Don W3FPR

On 8/2/2014 12:38 PM, Eugene Worth wrote:
> Ladies and Gents:
>
> I am thinking about getting a KX1 kit for a mini-DXpedition to Bonaire (PJ4) early next year. I think that and an Array Solutions PS-12R1A wall wart power supply plus an EndFedZ 40/20 antenna should be a nice little package that will easily fit in a backpack. That power supply should get nearly all of the 4W output as well. The primary reason for going is SCUBA, but you can’t dive all day/night …
>
> Long story short, I also have a Ten Tec 506 Rebel. I can use the same PS on both if the adapter is the right size. SO, what is the adapter size for external power on the KX1 … I think that’s part J1 in the schematics.
>
> 2.1mm? 2.5mm?
>
>

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[Eugene Worth]

Don and others:

Thank you for the information. It makes sense that Elecraft would standardize coaxial power jacks.

73,

gene
WG7GW
~~~~~~~

Gene,

*All* Elecraft coaxial power jacks are 2.1mm.

73,
Don W3FPR
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