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1. Re: [Amps] SB-220: 1,800 Watts Output (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Mon, 30 Nov 2009 11:04:07 -0500; They were all two-holers... _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2009-11/msg00302.html (10,975 bytes)
2. Re: [Amps] SB-220: 1,800 Watts Output (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Sun, 29 Nov 2009 15:07:11 -0500; That's as good as the KWS-1 listed that will do 1500W out, "because that's what's on the serial number plate"... -Tony, K1KP _______________________________________________ Amps mailing list Amps@con; /archives//html/Amps/2009-11/msg00286.html (6,532 bytes)
3. Re: [Amps] Drake L4 Slow Relay (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Sat, 21 Nov 2009 14:41:28 -0500; Quite often the cause of the 'missing first dit' is that the exciter is making RF before the amp has switched over to transmit. The exciter sees a high SWR, and on rigs such as the 765, folds back th; /archives//html/Amps/2009-11/msg00218.html (8,051 bytes)
4. Re: [Amps] Amplifier scenario question (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Thu, 17 Sep 2009 12:46:31 -0400; With regards to the original question, wouldn't there also be a sudden and dangerous increase in grid current & dissipation? With no HV on the plate, the grid would become the anode of a diode... -To; /archives//html/Amps/2009-09/msg00234.html (7,323 bytes)
5. [Amps] AL-1200 MO' Powah (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Thu, 2 Jul 2009 16:58:03 -0400; Incidentally, if you look up the old thread, you'll see that my original question was how to get closer to legal limit out of my AL-1200 with 100W drive. I think the problem was that my Peter Dahl tr; /archives//html/Amps/2009-07/msg00064.html (7,654 bytes)
6. Re: [Amps] AL1200/RTTY (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Thu, 2 Jul 2009 16:37:44 -0400; Carl Which is it? What you said today: http://lists.contesting.com/archives//html/Amps/2009-07/msg00046.html Or what you said 05/20/08: http://lists.contesting.com/archives//html/Amps/2008-05/msg0013; /archives//html/Amps/2009-07/msg00063.html (8,059 bytes)
7. Re: [Amps] AMERITRON AL-80B TUBE ARC / SPLATTER (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Mon, 22 Jun 2009 17:07:33 -0400; If the arc is really *inside* the tube, I'd toss it in the trash to start with. You can test the HV while waiting for the new tube to arrive... -Tony, K1KP ___________________________________________; /archives//html/Amps/2009-06/msg00094.html (7,201 bytes)
8. Re: [Amps] 8877 chimney (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Thu, 19 Mar 2009 12:28:47 -0400; -A tight fit means no air goes up the outside of the fin assembly, whereas a thin layer of air flow will take advantage of the surface area of the outside of the fins. -A thin flow layer up the outsi; /archives//html/Amps/2009-03/msg00486.html (6,772 bytes)
9. Re: [Amps] Slow Keying Issue (score: 1): Author: barockteer@aol.com; Date: Mon, 26 Jan 2009 16:33:06 -0500; see my writeup at: http://www.yccc.org/Articles/AL1200relay.html Also, if you can get an electronic version of PTT out of the exciter, such as the 'SEND' line of an Icom rig, that will help too. -Ton; /archives//html/Amps/2009-01/msg00310.html (6,957 bytes)
10. Re: [Amps] 3CX1500D7 quote (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Wed, 7 Jan 2009 22:06:42 -0500; OK, so how about 3CX1200A7 at $1139? ('Special Price' at RF Parts) ...or, a GS-35B at $129 ('Buy It Now') !! (No wonder the AL-1200's are getting retubed Russian style!) -Tony, K1KP _________________; /archives//html/Amps/2009-01/msg00048.html (7,386 bytes)
11. Re: [Amps] Efficiency changes with band (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Sun, 4 Jan 2009 10:16:44 -0500; Noticed that input SWR on the AL-1200 was pretty high on 80 and 20, so I decided to do a realignment of the input circuits. After alignment, got lots more smoke out on 20 - 1600 watts now with 105W d; /archives//html/Amps/2009-01/msg00028.html (6,992 bytes)
12. [Amps] Efficiency changes with band (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Fri, 26 Dec 2008 08:25:35 -0500; I have an AL-1200, which puts out varying amounts of RF, with varying efficiencies across the bands. I have also noticed this on mu LK-500ZB. Here's what the AL-1200 does: Drive is probably 105 watts; /archives//html/Amps/2008-12/msg00338.html (8,054 bytes)
13. [Amps] AL-1200 - MO Power?? (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Tue, 20 May 2008 16:00:21 -0400; I have had an AL-1200 for over a sunspot cycle. It has run well, but never quite made the 'full boat' in terms of output. 1300 watts usually is what I get. HV runs a tad low, around 3450 volts no loa; /archives//html/Amps/2008-05/msg00132.html (8,040 bytes)
14. 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)
15. Re: [Amps] Switching off Drake L-4B occasionally trips mains RCD (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Wed, 3 Oct 2007 18:00:43 -0400; Using the US terms, a GFI or GFCI senses the current in the hot and neutral leads to a device, and trips when they are not equal. The idea is any current that traveled to a device on the hot lead and; /archives//html/Amps/2007-10/msg00029.html (10,488 bytes)
16. [Amps] Cathode resistor in GG amps (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Tue, 25 Sep 2007 11:29:10 -0400; Maybe I can get the ranting/flaming to stop with a distraction: I've gotten my early AL80 one-lunger to work pretty well, and added many protection mods (no, no nichrome involved). One thing I notice; /archives//html/Amps/2007-09/msg00273.html (7,140 bytes)
17. [Amps] AL-80 (early) Loading control at full C (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Wed, 5 Sep 2007 10:09:43 -0400; I'm the recent proud owner of an early (SN 151) AL-80. After reworking the power supply, I finally have it running (sort of). Latest 'issue' is the Loading control seems to be at or near full C (max; /archives//html/Amps/2007-09/msg00039.html (6,915 bytes)

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