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21. [Amps] al-1500 parasitic?? or some other problem? (score: 1): Author: K1LE@ARRL.NET (Jeffrey Madore); Date: Fri, 17 May 2002 22:51:58 -0400; Dave, Just a thought: As Tom suggests, have you checked for signals on frequencies of possible local oscillations that might create the ultimate mixing product that you hear? I'm thinking of sources; /archives//html/Amps/2002-05/msg00285.html (10,625 bytes)
22. [Amps] Yaesu 2000 amplifier (score: 1): Author: K1LE@ARRL.NET (Jeffrey Madore); Date: Wed, 29 May 2002 22:41:12 -0400; On the BAMA web page there is an instruction as quoted below. This adjustment should allow you to view the material. 73 Jeff - K1LE "NOTE: For users of Internet Explorer 6 go to TOOLS/INTERNET OPTION; /archives//html/Amps/2002-05/msg00468.html (8,110 bytes)
23. [Amps] RF Ground for 2nd Floor (score: 1): Author: K1LE@ARRL.NET (Jeffrey Madore); Date: Tue, 16 Apr 2002 15:03:46 -0400; In my experience with grounding as lightning protection, a very important aspect is that everything be kept at the same potential. All grounds need to be common with the electric service ground. The; /archives//html/Amps/2002-04/msg00385.html (11,150 bytes)
24. [Amps] Warm Coax question (score: 1): Author: K1LE@ARRL.NET (Jeffrey Madore); Date: Sat, 20 Apr 2002 20:59:19 -0400; Doc, I would bet that there is a mismatch along the jumper. I would vary the length of the jumper and watch the swr. It should remain nearly the same if the exciter and load impedance are matched. Al; /archives//html/Amps/2002-04/msg00505.html (8,736 bytes)
25. [Amps] Transforemr rewinding (score: 1): Author: K1LE@ARRL.NET (Jeffrey Madore); Date: Fri, 26 Apr 2002 23:02:59 -0400; Would anyone be able to point me to any web sites that deal with transformer rewinding? Does anyone have a source for varnished copper wire? Thanks so much es 73 Jeff - K1LE; /archives//html/Amps/2002-04/msg00571.html (6,542 bytes)
26. Re: Re: [Amps] anyone else been contacted? (score: 1): Author: "Jeffrey Madore" <K1LE@arrl.net>; Date: Thu, 28 Aug 2003 14:04:40 -0400; I recently purchased a pro audio amp (2200 watts ave.) from a seller that didn't know me from Adam. I asked where to send the check, and he replied, "Here is how I'll do it. I'll send the amp to you.; /archives//html/Amps/2003-08/msg00067.html (8,730 bytes)
27. Re: [Amps] Drake L-7 failure...amp vs L7-PS power supply? (score: 1): Author: "Jeffrey Madore" <K1LE@ARRL.NET>; Date: Sat, 15 Nov 2003 13:57:38 -0500; snip Good point Mike, Fuses and circuit breakers do not limit fault current, but only fault duration. (except in the case of "current limiting fuses" which open and quench the arc very fast, but are; /archives//html/Amps/2003-11/msg00197.html (9,480 bytes)
28. Re: [Amps] L-7 Failure, HV fuses (score: 1): Author: "Jeffrey Madore" <K1LE@ARRL.NET>; Date: Tue, 18 Nov 2003 01:06:23 -0500; Circuit breakers and fuses come in various types with various characteristics. For example, the average molded case residential circuit breaker may take c. 30 to 50 seconds to trip, at 300% rated cur; /archives//html/Amps/2003-11/msg00244.html (11,147 bytes)
29. Re: [Amps] slow down circuits for 240v blower (score: 1): Author: "Jeffrey Madore" <K1LE@ARRL.NET>; Date: Tue, 18 Nov 2003 23:51:30 -0500; (G2E-140) An oil filled cap can work. It can also cancel the series XL of the motor winding. Not so good. What you want is enough Z to limit the current and reduce torque. Experiment while monitorin; /archives//html/Amps/2003-11/msg00263.html (8,119 bytes)
30. Re: [Amps] DVM recomendation (score: 1): Author: "Jeffrey Madore" <K1LE@ARRL.NET>; Date: Fri, 7 May 2004 12:11:24 -0400; Used Fluke 8050's run about 40 bucks at the monthly flea market at MIT in Boston. http://web.mit.edu/w1mx/www/swapfest.html Usually the nicads are missing or spent. Used on the bench, connected to AC; /archives//html/Amps/2004-05/msg00081.html (10,290 bytes)

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