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61. Re: [Amps] Blown anode choke in TL-922 (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sun, 24 Apr 2011 17:08:37 +0000; Carl, By this you mean when he is operating on a band near where the choke is resonant the choke is taking some of the RF and heating up? Makes sense. But how do you account for the fact that it po; /archives//html/Amps/2011-04/msg00506.html (7,841 bytes)
62. Re: [Amps] Gettering 3-500 Tubes (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sun, 6 Nov 2011 12:22:52 +0000; But what if they arc over? Isn't that going to do some serious damage to the SB200? If you don't getter them, how about at LEAST put a resistor in series with the B+ to limit the current. A bad tube; /archives//html/Amps/2011-11/msg00012.html (7,570 bytes)
63. Re: [Amps] Arcing 8877 (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Fri, 25 Nov 2011 01:32:23 +0000; Les, Is there anything in the tank circuit that could be breaking down? And do you have big diodes from B- to chassis at the power supply. My understanding is the purpose of them is to prevent damage; /archives//html/Amps/2011-11/msg00131.html (7,483 bytes)
64. Re: [Amps] 3CX800A7 Grid Current Problem (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sun, 29 Jan 2012 01:42:17 +0000; I don't think so....... " Jerry was a graduate of Wayne State University and a member of the Athletic Hall of Fame. He graduated from Harvard University, with a doctorate in applied physics. Jerry t; /archives//html/Amps/2012-01/msg00243.html (10,094 bytes)
65. Re: [Amps] 3CX800A7 Grid Current Problem (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sun, 29 Jan 2012 02:41:05 +0000; YOU are a scholar and a gentleman, and a great resource when the subject is amplifiers, for sure. I was a young engineer back about 1971-72 at Bell Labs, Whippany. (W2TW). Jerry came to a ham club m; /archives//html/Amps/2012-01/msg00248.html (10,128 bytes)
66. Re: [Amps] SB-220 Flash/Bang (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Mon, 30 Jul 2012 12:53:21 +0000; Hi Jim, I'm surprised you haven't gotten a bunch of replies already. Sounds to me like a short on the RF deck side of the B+, after the B+ passes through your glitch R. Although I don't quite see why; /archives//html/Amps/2012-07/msg00404.html (8,006 bytes)
67. Re: [Amps] IMD test question (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Fri, 3 Aug 2012 12:52:12 +0000; Usually the lemmings tell you you are full of it, because he "sounds fine to me here." When I was working on my FT1000MP with the key clicks I asked several guys on the air if they coould hear my cli; /archives//html/Amps/2012-08/msg00074.html (8,933 bytes)
68. Re: [Amps] Ten Tec Titan 425 Options (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Fri, 9 Nov 2012 19:19:35 +0000; The bad news is the caps alone are around $800. You mean there's no way to gut the old board and fit in a home made capacitor filter board? Even new, full retail cost of new caps is a small fraction; /archives//html/Amps/2012-11/msg00075.html (9,119 bytes)
69. Re: [Amps] Alpha 87A - Gettering NOS 3CX800A7's (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sat, 30 Mar 2013 14:33:01 +0000; If they need gettering, putting full HV on them will cause them to arc, by definition. Maybe you could put a large value resistor in the HV lead temporarily and see if they can take it. Rick K2XT ___; /archives//html/Amps/2013-03/msg00365.html (7,328 bytes)
70. [Amps] Getting a blower out of the shack (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Tue, 9 Apr 2013 21:14:09 +0000; I have a homebrew amp with a blower mounted on the back of the chassis. The blower has a flat flange, and the chassis has a rectangular hole cut in it to match. What I would like to do, to reduce blo; /archives//html/Amps/2013-04/msg00034.html (7,671 bytes)
71. Re: [Amps] Getting a blower out of the shack (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Wed, 10 Apr 2013 11:42:18 +0000; Thanks to each of you who replied with suggestions for my idea of remoting my amp blower. I now have a good idea of what to look for as far as the components go, and will be making my first shopping; /archives//html/Amps/2013-04/msg00052.html (8,500 bytes)
72. Re: [Amps] Time for New Power Meter (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Mon, 4 May 2015 19:50:59 +0000; I'm surprised no one has mentioned what is a very useful purpose for an accurate power meter, given that this is an amps reflector, especially.And that is - to determine the efficiency of an amplifie; /archives//html/Amps/2015-05/msg00061.html (8,342 bytes)
73. Re: [Amps] SB-220 update & gettering (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Tue, 13 Dec 2016 17:34:11 +0000; You could try just keying up the amp with no drive and note the total plate power dissipated. Something close to rated plate dissipation is best if the cooling is adequate. Otherwise you may need to; /archives//html/Amps/2016-12/msg00354.html (8,176 bytes)

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