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1. [Amps] SK-1420 with a 4CX3000a ??? (score: 1): Author: w4asm@mindspring.com (Jack Brabham KZ5A); Date: Sat, 12 Oct 2002 12:05:55 -0500; Does anyone know if a SK 1420 socket, which I believe is intended for a = 5CX3000A pentode, is usable with a 4CX3000A, or be "field modifiable" = for that use? Thanks and 73 Jack Brabham - KZ5A -- St; /archives//html/Amps/2002-10/msg00116.html (6,461 bytes)
2. [AMPS] PA-77 question (score: 1): Author: w4asm@mindspring.com (Jack Brabham); Date: Fri, 10 Sep 1999 22:15:58 -0400; This is a multi-part message in MIME format. --=_NextPart_000_009B_01BEFBDA.0F300480 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I have been fixing/rest; /archives//html/Amps/1999-09/msg00079.html (13,045 bytes)
3. [AMPS] Tobacco residue removal (score: 1): Author: w4asm@mindspring.com (Jack Brabham); Date: Sat, 11 Sep 1999 12:57:45 -0400; Bill, After working on this for a couple of months, with only fair results, I stumbled onto something that works real well. Its a two step process. Place the rig so the panel to be cleaned is vertica; /archives//html/Amps/1999-09/msg00083.html (8,928 bytes)
4. [AMPS] PA-77 question, round two (score: 1): Author: w4asm@mindspring.com (Jack Brabham); Date: Sat, 11 Sep 1999 13:49:18 -0400; Alek and all who replied, Thanks for the helpful ideas. I opened the grid return line above the bias switch (Q5) and inserted a VOM. When the VOM indicates 100 ma. of grid current, the panel meter re; /archives//html/Amps/1999-09/msg00084.html (11,599 bytes)

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