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Total 12 documents matching your query.

1. [AMPS] Ameritron AL-1200 (score: 1): Author: ko4nrbs@yahoo.com (Bill Smith); Date: Sun, 7 Oct 2001 22:42:58 -0700 (PDT); How long has the Ameritron AL-1200 been out? I keep hearing so many good things about them I'm about ready to buy one for myself. 73, Bill == Bill Smith KO4NR -- FAQ on WWW: http://www.contesting.com; /archives//html/Amps/2001-10/msg00160.html (6,601 bytes)
2. [AMPS] Ameritron AL-1200 (score: 1): Author: 2@vc.net (2); Date: Mon, 8 Oct 2001 06:38:36 -0700; // Until Ameritron/MFJ switches from the 3CX1200A7 to the much-improved 3CX1200Z7, this is probably not a good time to purchase one. Eimac's Z7 has been out for several years, it costs little more t; /archives//html/Amps/2001-10/msg00170.html (7,108 bytes)
3. [Amps] Ameritron AL-1200 (score: 1): Author: n9bx@mchsi.com; Date: Tue, 30 Oct 2007 17:03:14 +0000; Hi: I have a perculiar problem with the high voltage power supply on the AL-1200. Here is the sequence of events. I had the Amplifier on and it was idling and all of a sudden it crackled, stopped and; /archives//html/Amps/2007-10/msg00273.html (7,995 bytes)
4. Re: [Amps] Ameritron AL-1200 (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Tue, 30 Oct 2007 14:00:04 -0400; There are those who would have you believe that Ameritron used a special capacitor not available to us common folk. I have no idea if it is true but I suggest that you call Ameritron and dont rest un; /archives//html/Amps/2007-10/msg00274.html (9,378 bytes)
5. Re: [Amps] Ameritron AL-1200 (score: 1): Author: TexasRF@aol.com; Date: Tue, 30 Oct 2007 15:45:14 EDT; Sounds like eight new capacitors and eight new bleeder resistors would take care of the immediate problem. After multiple failures there is a likelihood that the remaining capacitors have been stress; /archives//html/Amps/2007-10/msg00275.html (9,999 bytes)
6. Re: [Amps] Ameritron AL-1200 (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Tue, 30 Oct 2007 17:44:26 -0400; Gerald, see an eye doctor! However if the replacement caps were those little imports its no wonder they failed. Carl KM1H _______________________________________________ Amps mailing list Amps@contes; /archives//html/Amps/2007-10/msg00276.html (12,168 bytes)
7. Re: [Amps] Ameritron AL-1200 (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Tue, 30 Oct 2007 18:34:36 -0400; I have an AL-1200. The manual CLEARLY states not to rewire the amp so that the high voltage is above 3600 volts. I was tempted to do this, as with my line voltage and configuration, my amp runs about; /archives//html/Amps/2007-10/msg00277.html (10,427 bytes)
8. [Amps] Ameritron AL-1200 (score: 1): Author: Roger D Johnson <n1rj@roadrunner.com>; Date: Sat, 25 Feb 2017 11:26:24 -0500; 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 _________________________________________; /archives//html/Amps/2017-02/msg00189.html (6,285 bytes)
9. Re: [Amps] Ameritron AL-1200 (score: 1): Author: "Jim W7RY" <jimw7ry@gmail.com>; Date: Sun, 26 Feb 2017 06:19:29 -0600; 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 There is a hand-drawn input circuit change on the Ameritron webs; /archives//html/Amps/2017-02/msg00192.html (7,452 bytes)
10. Re: [Amps] Ameritron AL-1200 (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sun, 26 Feb 2017 10:37:16 -0600; 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=; /archives//html/Amps/2017-02/msg00195.html (9,026 bytes)
11. [Amps] Ameritron AL-1200 (score: 1): Author: gudguyham--- via Amps <amps@contesting.com>; Date: Sun, 26 Feb 2017 16:26:20 -0500; Sent from AOL Mobile Mail <div id="AOLMsgPart_2_43ef8878-af3a-444e-92ed-16bafe890ea7"> <div class="aolReplacedBody"><font color="black" size="2" face="arial">Here Jim, there is also one for the Al-82; /archives//html/Amps/2017-02/msg00203.html (10,808 bytes)
12. Re: [Amps] Ameritron AL-1200 (score: 1): Author: "Jim W7RY" <jimw7ry@gmail.com>; Date: Sun, 26 Feb 2017 20:07:01 -0600; 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; /archives//html/Amps/2017-02/msg00205.html (9,242 bytes)

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