There is no room for three 3CX800's in there. If you want that type of power
find one of the LK-800 series.
Carl
KM1H
----- Original Message -----
From: "chas" <chasm@texas.net>
To: "Amps Amps" <amps@contesting.com>
Sent: Wednesday, August 17, 2011 3:26 AM
Subject: [Amps] Alpha 374A add a 3d 3CX-800?
>
> Have purchased a 374A which is NOT at my QTH or even in this area of the
> state but... it has been converted to a pair of 3CX-800s along with a
> mess
> of other mods. Done about 3 yrs ago.
>
> The owner cannot handle the fan noise and is going to buy an ACOM 1000
> instead. I have known him for about 60 yrs and we are attached at the hip
> so
> I feel that this is just another example of stuff we swap back and forth
> and
> eventually, forget to whom it belongs at any time. Point to that is, he
> has
> gone thru it with a Cobra Sr and the common MARS matrix for this state and
> has tuned for best power production. It does talk but it seems to me that
> the PA needs to have a txfrmr upgraded and maybe add a another bottle to
> it.
> it did not have a vacuum relay mod done since it will be a SSB only in
> usage.
>
> Not sure if this was a 3 holer to begin with or not. However, I am
> wondering
> what it would gain me, if it could even be done - to add a 3d Cx800? The
> weakest tuning freq so far is around 5.2mcy which can only crank out ca
> 800W.
> The rest of the thing will do 1.2 to 2kw as I understand it. I am asking
> the owner to write down the list of mods done by RL in Abilene and to send
> that along with the amp.
>
> isfaiK, it has a low power mod, the txfrmr is not a new Hypersil and I am
> wondering if it could be upgraded to a PDahl model made for a 7n series??
>
> I probably have not given enough info to make an informed decision or to
> generate worthwhile advice but maybe I can get some questions to provide
> answers to when I get the PA here.
>
> thanks es 73
>
> Chas k5dam
>
>
>
> --
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>
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