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1. [AMPS] AL1200 (score: 1): Author: TOMK5RC@aol.com (TOMK5RC@aol.com); Date: Mon, 21 Sep 1998 11:28:38 EDT; I have an Ameritron AL1200. The parasitc suppressor flashed a number of times, only on 20 meters, and finally burned up. I replaced the resistor with two 120 ohm 2 watt carbon resistors in parallel.; /archives//html/Amps/1998-09/msg00219.html (7,779 bytes)
2. [AMPS] AL1200 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 22 Sep 1998 11:05:13 -0400; There have been several iterations of the AL-1200 stability problem Tom. Get the latest parts and info from Ameritron. Also carefully inspect the bandswitch for arcs. There is also a 1N4007 diode tha; /archives//html/Amps/1998-09/msg00231.html (9,314 bytes)
3. [AMPS] AL1200 (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 22 Sep 98 09:16:39 -0800; times, I hear that the "neutralization" mod decreases VHF stability. amen 1N5408? The 1N5400 series of diodes has a much higher peak current rating than the the 1N4000 series. Rich... R. L. Measures; /archives//html/Amps/1998-09/msg00233.html (8,460 bytes)
4. [AMPS] AL1200 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 22 Sep 1998 23:34:31 -0400; Dunno, but I "hear" that Monica did Slick Willy too but what does that prove? The AL-1200 is still a top choice for contesters. Typo...I meant 1N5408...the general purpose 1000PIV 3A diode for the mo; /archives//html/Amps/1998-09/msg00238.html (9,972 bytes)
5. [AMPS] AL1200 (score: 1): Author: wrt@eskimo.com (Bill Turner, W7TI); Date: Wed, 23 Sep 1998 05:21:42 GMT; _______________________________________________________________ SSB and CW, perhaps, but not for RTTY unless the cooling of the 80/160 meter tank circuit has been improved recently. I smoked mine twi; /archives//html/Amps/1998-09/msg00239.html (7,760 bytes)
6. [AMPS] AL1200 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Wed, 23 Sep 1998 10:19:44 -0400; On Wed, 23 Sep 1998 05:21:42 GMT wrt@eskimo.com (Bill Turner, W7TI) writes: I guess I'm an old fashioned type Bill. Never been on RTTY and pbly never will so I just tend to ignore the mode! I never c; /archives//html/Amps/1998-09/msg00243.html (8,694 bytes)
7. [AMPS] AL1200 (score: 1): Author: wb8jkr@juno.com (wb8jkr@juno.com); Date: Wed, 23 Sep 1998 15:47:16 EDT; Carl, would it be possible that a Pi-L is used because of the closer frequency spacing of the 160-80 meter bands they thought the better harmonic attenuation would be advantageous? Mark WB8JKR -- FAQ; /archives//html/Amps/1998-09/msg00248.html (8,990 bytes)
8. [AMPS] AL1200 (score: 1): Author: wrt@eskimo.com (Bill Turner, W7TI); Date: Wed, 23 Sep 1998 23:13:46 GMT; _______________________________________________________________ If you like keyboarding on the internet, you might like keyboarding on the air. RTTY has become my favorite mode in the last 3-4 years.; /archives//html/Amps/1998-09/msg00250.html (7,876 bytes)
9. [AMPS] AL1200 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Wed, 23 Sep 1998 19:15:40 -0400; Mark and Peter...tnx for the info but meeting FCC specs was never one of the reasons given to me. Interpeting FCC specs has been a sore point with several manufacturers since a lot of interpetation l; /archives//html/Amps/1998-09/msg00252.html (10,490 bytes)
10. [AMPS] AL1200 (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Wed, 23 Sep 1998 17:49:12 -0700; Bill and Co. I have never had the pleasure of being inside a Command or QRO amp but reportedly they are built like the USS New Jersey!! Lane KM3G San Dog -- FAQ on WWW: http://www.contesting.com/ampf; /archives//html/Amps/1998-09/msg00254.html (9,744 bytes)
11. [AMPS] AL1200 (score: 1): Author: ke7tv@netzone.com (Randy Starace); Date: Mon, 10 Nov 1997 22:06:31 -0700; Hi All..I have a new Al1200 and it makes at least 1500w on all bands. There is a stub mounted next to the tube to help the efficency on the upper bands. I use an ICOM 775DSP to drive it and I always; /archives//html/Amps/1997-11/msg00136.html (6,629 bytes)
12. [AMPS] AL1200 (score: 1): Author: gmyers@cetlink.net (Gary Myers); Date: Sun, 23 Nov 1997 17:32:03 -0500; CAn you please answer a question (or 6)? Can you take a few minutes and get the following info? I am thinking about taking the plunge again. Power in to the amp in all cases : 100 W (no more - this i; /archives//html/Amps/1997-11/msg00331.html (7,148 bytes)
13. [Amps] AL1200 (score: 1): Author: K9RT@aol.com; Date: Wed, 22 Sep 2004 11:39:33 EDT; Have a friend with an AL1200 that recently stopped transmitting on 80 meters only. Works fine, full output on all other bands. He said he heard a hiss and then it stopped working on 80. I looked at t; /archives//html/Amps/2004-09/msg00401.html (7,223 bytes)
14. Re: [Amps] AL1200 (score: 1): Author: Joe Isabella <n3ji@yahoo.com>; Date: Wed, 22 Sep 2004 08:42:36 -0700 (PDT); If it's the input circuitry, you'd have high SWR when driving the amp -- are you seeing that? Joe, N3JI K9RT@aol.com wrote: Have a friend with an AL1200 that recently stopped transmitting on 80 meter; /archives//html/Amps/2004-09/msg00402.html (7,785 bytes)
15. Re: [Amps] AL1200 (score: 1): Author: Bill Turner <dezrat1242@ispwest.com>; Date: Wed, 22 Sep 2004 08:44:41 -0700; _________________________________________________________ My AL1200 stopped working on 80 because the solder joint at the tap on the main tank coil broke loose. Give the wire a tug and see if it is s; /archives//html/Amps/2004-09/msg00403.html (8,099 bytes)
16. Re: [Amps] AL1200 (score: 1): Author: "kenw2dtc" <kenw2dtc@comcast.net>; Date: Wed, 22 Sep 2004 12:17:38 -0400; "Have a friend with an AL1200 that recently stopped transmitting on 80 meters only. Works fine, full output on all other bands" Please ask your friend if he actually tested and got full output on 160; /archives//html/Amps/2004-09/msg00405.html (7,306 bytes)
17. Re: [Amps] AL1200 (score: 1): Author: R.Measures <r@somis.org>; Date: Wed, 22 Sep 2004 09:47:41 -0700; On Sep 22, 2004, at 8:44 AM, Bill Turner wrote: On Wed, 22 Sep 2004 11:39:33 EDT, K9RT@aol.com wrote: Have a friend with an AL1200 that recently stopped transmitting on 80 meters only. Works fine, fu; /archives//html/Amps/2004-09/msg00408.html (9,029 bytes)
18. [Amps] AL1200 (score: 1): Author: craxd <craxd1@ezwv.com>; Date: Wed, 22 Sep 2004 13:13:08 -0400; Dick, There are some fixed capacitors off the band switch to ground that is paralleled with the load capacitor for 80-160 meters. If one of these shorted it would smoke, and the load capacitor wouldn; /archives//html/Amps/2004-09/msg00410.html (8,902 bytes)
19. Re: [Amps] AL1200 (score: 1): Author: "Harold B. Mandel" <ka1xo@juno.com>; Date: Wed, 22 Sep 2004 20:50:03 -0400; Dear Sir, Mr. Jerry Beugin at Economy Electronics in Lonoke, Arkansas, < economyel@aol.com > < http://www.economyelectronics.com > (501) 676 - 3234, not only sells RF parts for broadcast and amateur; /archives//html/Amps/2004-09/msg00418.html (7,573 bytes)
20. [Amps] al1200 (score: 1): Author: "c." <carlseye@tampabay.rr.com>; Date: Wed, 04 Apr 2007 17:30:46 -0400; Does anyone here have any info on the al1200 amp, by ameriton ?? I have looked in other places but no luck.!!!! I need the schematic and a picture of the final output ckt . with the tune and load cap; /archives//html/Amps/2007-04/msg00002.html (6,833 bytes)

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