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1. Re: [Amps] Heath SB-230 conversion? (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Wed, 17 Sep 2003 10:52:29 -0700 (PDT); I have one of these still with a good tube -- have been thinking about what I'm going to do when it's "time"; the 3cx400 looks like a forced-air near-equivalent for the 8873 that's in there. Perhaps; /archives//html/Amps/2003-09/msg00163.html (7,991 bytes)
2. Re: [Amps] 220V service for amplifier (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Tue, 2 Dec 2003 10:52:02 -0800 (PST); Suggest trying the 6-20p plug/receptacle. Some of the dryer plugs/receptacles aren't rated for many plugs/unplugs. The 6-20p may also be less expensive, and you can find appliance "extension cords" f; /archives//html/Amps/2003-12/msg00022.html (9,181 bytes)
3. Re: [Amps] High efficiency broadband designs (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Wed, 17 Dec 2003 22:49:31 -0800 (PST); The Class-E AM folks are doing some interesting things -- Tee the RF input -- one side to an added envelope detector, output of this to PWM your power supply to the ClassE amp module, other side of t; /archives//html/Amps/2003-12/msg00289.html (13,271 bytes)
4. Re: [Amps] Re: 18 ga wire (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Mon, 26 Jan 2004 06:11:00 -0800 (PST); www.powerwerx.com has spools of enamel insulation wire 14 through 36 gauge. I have been a happy customer in the past for this. U-Do-it electronics in norwood, ma also carries enamel insulation wire,; /archives//html/Amps/2004-01/msg00294.html (7,846 bytes)
5. [Amps] Amp Supply LK500-zc tube asymmetry (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Mon, 19 Mar 2007 21:12:34 -0700 (PDT); I have an Amp Supply LK500zc, which I purchased (used) about 3 years ago, used briefly, then put on the shelf until recently... when I powered it up, there was a nice small snap (not a big one, a sma; /archives//html/Amps/2007-03/msg00230.html (8,929 bytes)
6. Re: [Amps] Amp Supply LK500-zc tube asymmetry (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Tue, 20 Mar 2007 15:14:16 -0700 (PDT); Thanks for the suggestions, DD and Tom; I got into the input circuitry; Tom you were right on -- found the grids 'floating' through some bypass caps; RF was being fed through 10ohm resistors to the f; /archives//html/Amps/2007-03/msg00265.html (8,020 bytes)
7. [Amps] Rehabbing that dusty old 3-500z (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Wed, 18 Apr 2007 22:33:08 -0700 (PDT); I'm 'bringing back' an old Heathkit sb-220 that sat around unused for a while (years), and it has some Eimac 3-500z's in it. Having read the archives over how to test, test, test, bring the HV up slo; /archives//html/Amps/2007-04/msg00204.html (7,746 bytes)
8. [Amps] Need picture of Alpha 87a output T/R board (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Fri, 11 Jan 2008 21:51:37 -0800 (PST); I apparently have a 'down level' amplifier, and while I've received a nice bag of parts from Alpha to get my amp current (and fix the problem I started with), would appreciate a digital picture of th; /archives//html/Amps/2008-01/msg00095.html (6,809 bytes)
9. [Amps] IC-2KL 80m toroid value (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Mon, 26 Oct 2009 18:54:05 -0700 (PDT); A local ham in our club has an Icom IC2KL with a cooked 80m toroid. I offered to help him repair/replace this if a replacement can be found - can anyone tell me the core material type, and the nomina; /archives//html/Amps/2009-10/msg00332.html (6,451 bytes)
10. [Amps] Alpha 87a - Internal Fan Motor/Blower (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Tue, 20 Dec 2011 21:45:54 -0800 (PST); The internal squirrel cage fan motor in my Alpha 87a went from not noisy to 'noisy' to 'not moving - humming really LOUDLY' in about a week. Has anyone replaced just the motor portion with something; /archives//html/Amps/2011-12/msg00169.html (7,511 bytes)
11. [Amps] Alpha 87a Blower repair/replacement - done! (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Sun, 25 Dec 2011 17:36:32 -0800 (PST); After posting my query on this list about the motor for the 87a blower, I received a number of email messages of encouragement, to try to repair the blower that I had... I also called RF Concepts on; /archives//html/Amps/2011-12/msg00217.html (12,479 bytes)
12. [Amps] Transformer: CML 8-5144 - specs? (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Mon, 26 Dec 2011 16:09:47 -0800 (PST); I am getting into a restoration of a homebrew 4-1000 amplifier, and the plate transformer is marked CML 8-5144; does anyone know of what its specs may be be? It's in a sealed cube, and very heavy, dr; /archives//html/Amps/2011-12/msg00221.html (7,326 bytes)
13. [Amps] AL-1200 plate circuit conductor source/substitute? (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Thu, 11 Oct 2012 08:26:49 -0700 (PDT); Hi folks! My AL-1200 converted to gs35b amp had a failure recently on 10m; I don't know the exact details since someone else was using it on 10m, but after inspection, it appears that the plate choke; /archives//html/Amps/2012-10/msg00072.html (8,155 bytes)
14. [Amps] AL1200 follow-up (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Fri, 12 Oct 2012 10:55:47 -0700 (PDT); Thanks to all those that responded via the list or privately: Although not listed in the parts section of MFJ's PDF catalog (well, I couldn't find it), an email to MFJ customer service yielded a spee; /archives//html/Amps/2012-10/msg00081.html (7,896 bytes)
15. [Amps] Switching HVPS cores / Class E amp power supply ferrites (score: 1): Author: Brian Moran <brianmo@yahoo.com>; Date: Sun, 13 Apr 2014 17:29:58 -0700 (PDT); I have the following cores for HV switching power supply experimentation - (these are PC mount) OR-44444-EC ETD44 20 halves / 10 complete halves OR-44949-EC ETD49 20 halves / 10 complete halves Wit; /archives//html/Amps/2014-04/msg00141.html (7,528 bytes)

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