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41. Re: [Amps] The genius of ham radio (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Mon, 12 Jan 2015 13:35:30 -0600; No, actually, it doesn't. That was put to rest some time ago. Kim N5OP "People that make music together cannot be enemies, at least as long as the music lasts." -- Paul Hindemith ____________________; /archives//html/Amps/2015-01/msg00053.html (10,713 bytes)
42. Re: [Amps] 5 Minutes for Ameritron 811H to warm up? (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Fri, 23 Jan 2015 20:25:55 -0600; Glass is simply a transparent ceramic. Well... More or less, anyway. Nothing wrong with that as long as the limitations are respected. Kim N5OP Consequently a matched pair or quad set of reputable br; /archives//html/Amps/2015-01/msg00229.html (10,798 bytes)
43. Re: [Amps] 5 Minutes for Ameritron 811H to warm up? (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sat, 24 Jan 2015 16:09:49 -0600; The "glass isn't a solid" is, apparently, a myth. For example, http://math.ucr.edu/home/baez/physics/General/Glass/glass.html wheich ends with " The use of the term "supercooled liquid" to describe g; /archives//html/Amps/2015-01/msg00259.html (12,710 bytes)
44. Re: [Amps] Arctic Silver with and without silver (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Thu, 5 Feb 2015 08:23:30 -0600; Not necessarily: some ceramics are extremely thermally conductive. Kim N5OP "People that make music together cannot be enemies, at least as long as the music lasts." -- Paul Hindemith _______________; /archives//html/Amps/2015-02/msg00063.html (9,308 bytes)
45. Re: [Amps] Do 8875's die fast after weakening? (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Tue, 17 Mar 2015 10:09:52 -0500; I have experience with the MLA-2500 through my Dad (W5JHJ, SK 2007). It's a good amp and makes about 1200 W out on it's best bands, which were 80-20 m if I recall correctly. The 8875s will last forev; /archives//html/Amps/2015-03/msg00036.html (10,144 bytes)
46. Re: [Amps] Do 8875's die fast after weakening? (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Tue, 17 Mar 2015 21:06:05 -0500; Carl is absolutely correct. My 1200 W output is optimistic: the best I ever saw (I wrote it down) was just shy of 1100 W PEP with everything at max. Kim N5OP "People that make music together cannot b; /archives//html/Amps/2015-03/msg00041.html (13,814 bytes)
47. Re: [Amps] Tetrode software (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Fri, 01 May 2015 17:39:28 -0500; Can't you fool the older software by setting it to run in a compatibility mode? Or does that not work with things like this? Kim N5OP On 5/1/2015 12:44 PM, Gerald Williamson via Amps wrote: Hi All, o; /archives//html/Amps/2015-05/msg00006.html (9,538 bytes)
48. Re: [Amps] Time for New Power Meter (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sun, 03 May 2015 17:32:50 -0500; I'd love to get an LP-100A. I simply need to save my pennies for a while. I know that, in my case, the fascination with accuracy comes form my Dad (W5JHJ SK) -- he was a bit of a nut about it. Thus,; /archives//html/Amps/2015-05/msg00030.html (10,112 bytes)
49. Re: [Amps] Need for bias switch (CW/SSB) (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Wed, 13 Jan 2016 14:41:52 -0600; I don't think this is true. Class C will generate terrible key clicks because it won't preserve the keying envelope. Kim N5OP "People that make music together cannot be enemies, at least as long as t; /archives//html/Amps/2016-01/msg00010.html (9,571 bytes)
50. Re: [Amps] Oldie but Goodie MLA2500 questions (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sun, 29 May 2016 16:17:20 -0500; Could you fit an Ameritron plate choke in it? It's been a longtime since I was inside my Dad's MLA2500, so I'm not sure you have enough height to fit one in. Kim N5OP I'm finishing up some refurbishi; /archives//html/Amps/2016-05/msg00036.html (8,951 bytes)
51. Re: [Amps] SB220 Bandswitch arcing (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sat, 17 Sep 2016 10:54:31 -0400; I'll bet on a tuning error: someone had it loaded too lightly. Kim N5OP "People that make music together cannot be enemies, at least as long as the music lasts." -- Paul Hindemith ___________________; /archives//html/Amps/2016-09/msg00079.html (7,868 bytes)
52. Re: [Amps] "Conventional" current flow (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sat, 19 Nov 2016 20:13:33 -0600; I believe Snopes gets revenue solely from ads. My experience has been that their info is pretty good. They've consulted us (National Severe Storms Lab) a few times to verify certain weather facts. Ki; /archives//html/Amps/2016-11/msg00075.html (12,852 bytes)
53. Re: [Amps] Stock up on tubes? (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sun, 4 Dec 2016 15:43:53 -0600; I've been around long enough (not as long as many others) to see predictions about the downfall and soon-to-be-obsolete status of <lots of things>. As an undergrad forty years ago, I recall hearing c; /archives//html/Amps/2016-12/msg00077.html (10,863 bytes)
54. Re: [Amps] FCC Denies Expert Linears' Request for Waiver of 15 dB Rule (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Wed, 28 Dec 2016 08:12:13 -0600; I think the idea that the commercialization of ham radio is a bad thing is misguided. Yes, I can -- or in principle should be able to -- make everything that sits on my operating desk, including SDR; /archives//html/Amps/2016-12/msg00462.html (9,048 bytes)
55. Re: [Amps] Ameritron AL-1200 (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sun, 26 Feb 2017 10:37:16 -0600; It's on http://www.ameritron.com/pdffiles/ameritron/AL-1200_TunedInputChassis.pdf and there's also one for the AL-82. It's at the bottom of the page at http://www.ameritron.com/support.php?productid=; /archives//html/Amps/2017-02/msg00195.html (9,026 bytes)
56. Re: [Amps] 3-500Z cool down time (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Mon, 5 Jun 2017 10:44:16 -0500; My understanding is the graphite is dimensionally stable with temperature -- that's part of why graphite is used in aircraft dry vacuum pumps, which get very hot. Thus, I don't buy that explanation.; /archives//html/Amps/2017-06/msg00044.html (9,243 bytes)
57. Re: [Amps] 3-500Z cool down time (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Mon, 5 Jun 2017 20:48:40 -0500; The 3CX1200 is a ceramic version of the 3-1000Z. I have an amp that uses one and it's ready in under 10 s. Kim N5OP "People that make music together cannot be enemies, at least as long as the music l; /archives//html/Amps/2017-06/msg00072.html (9,700 bytes)
58. Re: [Amps] 3-500Z cool down time (score: 1): Author: Kimberly Elmore <cw_de_n5op@sbcglobal.net>; Date: Tue, 6 Jun 2017 13:40:36 +0000 (UTC); True enough; I was simply statingthat the 3CX1200 is a ceramic replacement for a glass envelope. It's a fine tube, though it requires a fair bit more drive. That is, aparently, the price paid for a h; /archives//html/Amps/2017-06/msg00078.html (10,533 bytes)
59. Re: [Amps] 3-500Z cool down time (score: 1): Author: Kimberly Elmore <cw_de_n5op@sbcglobal.net>; Date: Tue, 6 Jun 2017 14:56:40 +0000 (UTC); The biggest issue with the 3CX1200 is appears to be that it's simply not used in much outiside of ham radio. I'm not sure what the original design application was intended for, but I'm pretty sure it; /archives//html/Amps/2017-06/msg00081.html (11,086 bytes)
60. Re: [Amps] Soft Start (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Tue, 26 Dec 2017 21:58:12 -0600; A related question. Once long ago I read that power cycles are very hard on filaments. Is that also the case with soft starts, or does the soft start reduce the thermal shock issues? Kim N5OP "People; /archives//html/Amps/2017-12/msg00169.html (10,027 bytes)

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