[Elecraft] Is it possible to connect a amp to the K2

[Todd Gahagan]

I would really be interested in this also Tom.  Been going to  drive my 
SB220 with the KPA-100, K-2 combo for some time.

Todd, WA7U


----- Original Message ----- 
From: "Tom Hammond" <n0ss at earthlink.net>
To: "n2uz" <n2uz at comcast.net>; <elecraft at mailman.qth.net>
Sent: Tuesday, January 04, 2005 6:41 PM
Subject: Re: [Elecraft] Is it possible to connect a amp to the K2


> Hi Jerry:
>
>>Just would like to know if it is possible to connect a Ameritron Al-811 to 
>>the K2.
>
> Sure is!  The AL-811 won't work QSK (T-R relay is much too slow), but you 
> can work semi-breakin.
>
> You WILL need to provide a T-R relay keying adapter between the K2 and the 
> amp, AND the adapter will have to be able to adequately handle whatever 
> current the amp's T-R relay requires. This (amp T-R output) is NOT 
> provided as part of the basic K2.
>
> For what it's worth, I'm working on developing a plug-in PC board for J13 
> in the K2 which will provide amp T-R output. May have something within a 
> few weeks.
>
>>Where would I get the exicter signal from on the K2?
>
> Use the RF OUTPUT from the K2's ANT jack.
>
> Note that a barefoot K2 only puts out 15W maximum, which will probably 
> only drive the AL-811 to about 150W-200W output. If you had the K2/100, 
> it'll drive the 811 to its rated output.
>
> 73,
>
> Tom Hammond    N0SS
>
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