[Amps] SB-200 DATA

[jeremy-ca]

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 at aol.com 
  To: km1h at jeremy.mv.com ; amps at 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 at 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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