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21. [Amps] Hard-drive Dive (score: 184): Author: k7fm at teleport.com (k7fm); Date: Sat Mar 22 11:47:47 2003; I said, in response to Rich's statement that his hard drive failed:: "Rich, since I installed a nichrome grounding wire from the hard drive case to the computer case, I have not had any hard drive fa; /archives//html/Amps/2003-03/msg00771.html (10,256 bytes)
22. [Amps] Hard-drive Dive (score: 184): Author: k7fm at teleport.com (k7fm); Date: Sat Mar 22 16:54:59 2003; "I have the following amplifiers: an Alpha 76PA (using 3CX800A7 tubes), an Alpha 76A, an Alpha 86, a home built 4-1000, a home built 3-1000, a Henry amp (I forgot the numbers), an Alpha 77SX, a Colli; /archives//html/Amps/2003-03/msg00777.html (9,824 bytes)
23. [Amps] Hard-drive Dive (score: 184): Author: k7fm at teleport.com (k7fm); Date: Sat Mar 22 17:12:23 2003; Correction: I said my Collins 30S-1 did not have parasitic suppressors. It does have one. It does not have a nichrome parasitic suppressor. I sometimes seem to have a delay between my brain and my fi; /archives//html/Amps/2003-03/msg00779.html (8,592 bytes)
24. [Amps] Parasites (parasitics) (score: 184): Author: k7fm at teleport.com (k7fm); Date: Thu Mar 27 09:21:41 2003; "5) My position: Trying to squeeze out the last watt at 29MHz is probably not going to do much for reducing VHF gain. History tells those who will listen that betting against Mr. Murphy is neither li; /archives//html/Amps/2003-03/msg00864.html (9,185 bytes)
25. [Amps] Parasites (parasitics) (score: 184): Author: k7fm at teleport.com (COLIN LAMB); Date: Thu Mar 27 11:03:11 2003; Rich asked: "** Is it possible to design a VHF suppressor that suppresses 100MHz, but does not suppress 30MHz ?" Response: Yes. Colin K7FM; /archives//html/Amps/2003-03/msg00871.html (8,369 bytes)
26. [Amps] Help ! Hard Fault 99 (score: 184): Author: k7fm at teleport.com (COLIN LAMB); Date: Mon Feb 3 11:20:37 2003; When my amp fails, the fire department sees the smoke rising and sends the fire truck. K7FM "Fuses are for sissies"; /archives//html/Amps/2003-02/msg00033.html (7,579 bytes)
27. [Amps] Re: Voodoo "EMF' forces from grid current pulses (score: 184): Author: k7fm at teleport.com (COLIN LAMB); Date: Fri Feb 7 15:20:00 2003; When the high voltage across the room arcs, I jump too - even though there is no connection. Of course I jump more if I am connected. I think if the arc was big enough, I would have EMF in my pants.; /archives//html/Amps/2003-02/msg00156.html (15,938 bytes)
28. [Amps] SELL: 6 Bleeder Resistors 40K@100W (score: 184): Author: k7fm at teleport.com (k7fm); Date: Sat Feb 8 23:03:04 2003; OK, I give up, how can a wire-wound resistor be non-inductive? One of the ads in the back of an early 1940's Radio Handbook advertises non-inductive wire wound resistors. And, I have seen some surplu; /archives//html/Amps/2003-02/msg00196.html (8,685 bytes)
29. [Amps] The Philosophy of Science (score: 184): Author: k7fm at teleport.com (k7fm); Date: Mon Feb 10 12:40:58 2003; Hello Eric: Are you trying to say that my readout on my $5 digital vom to 4 places is no better than my readout on the old Simpson 260? Should I stop writing the results of a calculation resulting fr; /archives//html/Amps/2003-02/msg00226.html (7,873 bytes)
30. [Amps] The Philosophy of Science (score: 184): Author: k7fm at teleport.com (k7fm); Date: Mon Feb 10 16:23:25 2003; Hi Eric: I always used to impress some of the students who were not very scientific by pulling out my circular slide rule and then calculating something to 10 digits. Although my outer scale was long; /archives//html/Amps/2003-02/msg00232.html (7,945 bytes)
31. [Amps] Tank Coil replacement with Toroid Core coil (score: 184): Author: k7fm at teleport.com (COLIN LAMB); Date: Thu Feb 27 14:12:44 2003; Toroids do not require a ferrite or iron powder core at all. The necessary characteristics of a toroid are simply that it is in the shape we call a toroid. The self-shielding characteristics of toroi; /archives//html/Amps/2003-02/msg00499.html (8,480 bytes)
32. [Amps] Parasitic Oscillations (score: 184): Author: k7fm at teleport.com (COLIN LAMB); Date: Mon Jan 27 16:37:53 2003; I have noted, over long years of observation, that parasitic oscillations outside of the abode frequently leads to gold sputtering. In particular, it leads to migration of gold from emitter of the go; /archives//html/Amps/2003-01/msg00252.html (6,291 bytes)
33. [Amps] Tube Autopsy (score: 184): Author: k7fm at teleport.com (k7fm); Date: Mon Jan 27 23:38:22 2003; Question for Rich: When you do autopsies on tubes, what do you do with the vacuum? You cannot let it out, because it is not there. Is it possible to open or release a vacuum? K7FM -- Outgoing mail is; /archives//html/Amps/2003-01/msg00260.html (7,809 bytes)
34. [Amps] re Pole Transformer Weight...thanks to all (score: 184): Author: k7fm at teleport.com (k7fm); Date: Tue Jan 28 08:37:56 2003; I found two in a barn. Both were rusty. One large, one small. They both worked fine. After a few years, I decided I did not need them and sold them. It was soon after I sold them that I decided I nee; /archives//html/Amps/2003-01/msg00264.html (6,971 bytes)
35. [Amps] Tube Autopsy (score: 184): Author: k7fm at teleport.com (COLIN LAMB); Date: Tue Jan 28 14:11:48 2003; Now, Rich, if you put too many vacuums in a drawer, the vacuums will eventually decompose (they cannot combine), causing a big bang. This big bang will create such a pressure change that the end res; /archives//html/Amps/2003-01/msg00270.html (7,604 bytes)
36. [Amps] up for your consideration (score: 184): Author: k7fm at teleport.com (k7fm); Date: Wed Jan 29 10:46:45 2003; I see the filament transformer, but there is no high voltage jack. The receive preamp is especially useful. I use one in front of my home built short wave crystal set and it improves my reception fro; /archives//html/Amps/2003-01/msg00290.html (7,758 bytes)
37. [Amps] what tube tester!!! (score: 184): Author: k7fm at teleport.com (COLIN LAMB); Date: Wed Aug 20 20:34:06 2003; Hello Rick: It is quite easy to build a tube tester for particular tubes. I just built one for the old 211 triodes. I put it in an old wooden case from some obsolete medical equipment and it looks go; /archives//html/Amps/2002-09/msg00406.html (8,624 bytes)

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