True, but for those who do CW, the 100 or so watts would benefit from the
amplifier.  Use the ALC feature and you should be fine.  Been doing so for
many years and have had no issues.  Note, no QSK here...

As always, the antenna approach is and should always be first consideration
on any attempt to improve your signal.

Good luck.

-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of Garey Barrell
Sent: Monday, January 18, 2010 8:53 AM
To: [email protected]
Subject: Re: [Drakelist] TR4 and SB-200 Question

Kevin -

The first question to ask, is WHY?

The TR-4 puts out about 200W. An SB-200 probably puts out less than 500W.

That's a little more than one-half S-Unit. So... You're going to 
generate 200W, stick more than one-half of that into a dummy load, and 
then amplify the remainder to approximately twice what you started 
with....? To move the other station's S-Meter about one-half of an S-Unit?

Much more cost effective to improve your antenna, PLUS, any antenna 
improvements also improve the received signals.

Just a suggestion ....

73, Garey - K4OAH
Glen Allen, VA

Drake 2-B, 4-B, C-Line&  TR-4/C Service Supplement CDs
<www.k4oah.com>


Kevin Elliott wrote:
>
> I have just recently purchased an extremely nice SB-200 with all of 
> the Harbach mods installed, my question is this. With all of the mods 
> installed which are mainly aimed at allowing the SB-200 to play better 
> with today solid-state rigs, do these mods, in particular the Soft-Key 
> mod now prohibit me from using my Drake TR-4 with the amplifier? I do 
> realize one of my major concerns it to not overdrive the amp with the 
> TR-4. After reading the suggestion which was posted a week or so back 
> I think I may use the T-connector and a 100-watt dummy load setup to 
> help solve the over driving problem. I am wondering if I should just 
> use the ALC line and perhaps a foot switch on the amp. Any suggestions 
> or feedback is appreciated.
>
> 73,
>
> Kevin - KG0MN
>
>

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