All the published articles Ive read are pure garbage, or worse than Edisonian
as Tom might say. I get LOTS of SB-200 and 220's in here from guys who have
tried to follow those articles as well as some who have bought other
conversions that blow up when they change tubes or make a mistake in tuning.
Carl
KM1H
6M Conversions since 1964
----- Original Message -----
From: Gudguyham@aol.com
To: km1h@jeremy.mv.com ; amps@contesting.com
Sent: Tuesday, July 17, 2007 9:46 PM
Subject: Re: [Amps] SB-200 DATA
In a message dated 7/17/2007 7:48:51 P.M. Eastern Daylight Time,
km1h@jeremy.mv.com writes:
Converting the SB-200 to a 6M monobander is simple and straightforeward
when
basic design principles are followed. Ive been doing those conversions
since
the late 60's and it is completely stable and repeatable. Power output and
efficiency is the same or better than a good stock unit on say 20M.
Carl
Carl, Indeed, the word on the street is that the 572B is not good to 6
meters, but as you say if it is handled properly it can be made to be rather
stable and the power in the 700 watts range easily. I haven't really seen a
published article that really "gets it right" however. Lou
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