[Heathkit] 2 Mod or not 2 Mod <> SB220

Fri, 31 May 2002 21:42:13 -0400

hi glen..  i am running my 220 on 240 volts...  i would worry about settin'
the house afire in the walls with 110 volt wiring...  just my opinion..  73
paul w8jn
----- Original Message -----
From: "Glen Zook" <[email protected]>
To: "John Luthy" <[email protected]>; <[email protected]>
Sent: Friday, May 31, 2002 12:40 AM
Subject: Re: [Heathkit] 2 Mod or not 2 Mod <> SB220


> Remember that the 2 KW rating is INPUT and not output
> power.  What you are now getting as output power is
> about "average" for the linear running about 2 KW
> input.  Depending on the condition of the tubes,
> driving power, etc., you might, or might not, get too
> much more output power.
>
> Of course, operating the unit from 240 volts instead
> of 120 volts will probably increase the output power
> somewhat due to the fact that the voltage drop from
> the "IR" of the power lines will be less.
>
> I have never used the Harbach kits, so I cannot
> comment directly on how much good they do.  However,
> there are quite a number of people out there who have
> made the modifications and are happy.  There are also
> many people out there who are running unmodified
> linears and who are just as happy!
>
> Glen, K9STH
>
> --- John Luthy <[email protected]> wrote:
>
> I intend to use and would like some opinons on the
> Harbach kits.
>
> Currently I am using the amp on 110v and have a max
> output of about 1kw on 40m and 600w on 10m. It seems
> to work well but says it is a 2kw amp? I do not plan
> to operate over 1.5kw but would like to have the amp
> at it's full potential.
>
>
> =====
> Glen, K9STH
>
> Web sites
>
> http://home.attbi.com/~k9sth
> http://home.attbi.com/~zcomco
>
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