[Amps] Ameritron AL-1200

[Jim W7RY]

It is for modifying the early amplifiers. All of the later versions all had the dual coax runs between the tuned input and the tube. 

Goes back to the discussion about efficiency and the best place to put the tuned input is at the base of the tube.

73
Jim W7RY



From: Kim Elmore 
Sent: Sunday, February 26, 2017 10:37 AM
To: Jim W7RY 
Cc: Roger D Johnson ; amps at contesting.com 
Subject: Re: [Amps] Ameritron AL-1200

It's on http://www.ameritron.com/pdffiles/ameritron/AL-1200_TunedInputChassis.pdf and there's also one for the AL-82. It's at the bottom of the page at http://www.ameritron.com/support.php?productid=AL-1200. There are other, older manuals at the bottom of the page so I'm guessing that it's something to do with the earliest models.

Kim N5OP 

"People that make music together cannot be enemies, at least as long as the music lasts." -- Paul Hindemith

On Feb 26, 2017, at 06:19, Jim W7RY <jimw7ry at gmail.com> wrote:


  Do you think a link to the schematic or info would be helpful Roger? So at least we would know what you are talking about?

  73
  Jim W7RY




  -----Original Message----- From: Roger D Johnson
  Sent: Saturday, February 25, 2017 10:26 AM
  To: amps at contesting.com
  Subject: [Amps] Ameritron AL-1200

  There is a hand-drawn input circuit change on the Ameritron website.
  It is undated and doesn't state which amp it applies to. Anyone have
  any info?

  73, Roger



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