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1. [AMPS] Receiver performance (score: 1): Author: lomax1@prodigy.net (lomax1@prodigy.net); Date: Thu, 16 Mar 2000 08:43:23 -0800; Hi all I've been reading this thread for a while and want to ask a question. When one sees tests done on receivers they typically will give figures for such things as blocking dynamic range or 3rd or; /archives//html/Amps/2000-03/msg00749.html (9,609 bytes)
2. [AMPS] filament rheostats (score: 1): Author: lomax1@prodigy.net (Frank & Barb Ayers); Date: Mon, 21 Feb 2000 11:57:20 -0500; I've thought of doing this but - is there any problem with running filaments on DC? Seems to me I heard at one time that some tube manufacturers recommended against that. Frank W2FCA -- FAQ on WWW: h; /archives//html/Amps/2000-02/msg00422.html (8,257 bytes)
3. [AMPS] Russian tube question (score: 1): Author: lomax1@prodigy.net (lomax1@prodigy.net); Date: Thu, 27 Jan 2000 09:41:58 -0800; Ive been looking at some tube specs and have a simple question - is the GU84b the same as a 26volt fil version of the 4CX1600B? Thanks in advance. Frank W2FCA -- Sent using MailStart.com ( http://Mai; /archives//html/Amps/2000-01/msg00543.html (6,799 bytes)
4. [AMPS] chassis source (score: 1): Author: lomax1@prodigy.net (Frank & Barb Ayers); Date: Mon, 20 Dec 1999 21:39:39 -0500; Hi I've gotten all sorts of stuff from this guy (Byers Chassis) and have been very, very pleased with it. I've used the .063 for normal stuff but have some of the heavier stuff (.080 I think) for amp; /archives//html/Amps/1999-12/msg00295.html (7,067 bytes)
5. [AMPS] EIMAC 8560A (score: 1): Author: lomax1@prodigy.net (Frank Ayers); Date: Sun, 14 Nov 1999 18:29:52 -0500; Seems to me that the 8873 has an 11 pin base, but the 8560 base is like a 4CX250. Frank W2FCA -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative req; /archives//html/Amps/1999-11/msg00321.html (6,822 bytes)
6. [AMPS] filling holes in AL panel (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Sun, 20 Jun 1999 22:51:45 -0400; I've done it with metal bond epoxy. I also chamfer the hole slightly with a countersink so it looks like this --> \--/ _____ / \ Works fine. Frank W2FCA -- FAQ on WWW: http://www.contesting.com/ampfa; /archives//html/Amps/1999-06/msg00548.html (7,390 bytes)
7. [AMPS] KM1H wheres Carl (score: 1): Author: lomax1@prodigy.net (lomax1@prodigy.net); Date: Mon, 28 Jun 1999 09:12:45 -0800; had lost his computer, and wasn't able to do any >email/Internet stuff, so I believe this is probably I spoke with Carl then (see - some of us actually operate!)and he told me the above. He was also; /archives//html/Amps/1999-06/msg00746.html (8,154 bytes)
8. [AMPS] KM1H wheres Carl (score: 1): Author: lomax1@prodigy.net (lomax1@prodigy.net); Date: Mon, 28 Jun 1999 09:12:59 -0800; had lost his computer, and wasn't able to do any >email/Internet stuff, so I believe this is probably I spoke with Carl then (see - some of us actually operate!)and he told me the above. He was also; /archives//html/Amps/1999-06/msg00747.html (8,160 bytes)
9. [AMPS] FCC Actions at Dayton (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Fri, 21 May 1999 19:52:43 -0400; are Something I was thinking about was the 15 db gain stuff. Most 10 meter rigs can generate 100 watts or so for an amp. But, on six meters, a lot of hams run rigs/transverters with 10 watts or so o; /archives//html/Amps/1999-05/msg00274.html (9,303 bytes)
10. [AMPS] Filament voltage inrush (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Thu, 4 Feb 1999 22:07:29 -0500; There has been a bit of discussion recently about resistors in series with the primary of fil xfrmrs. What about the use of the thermistor gizmos? As I understand it, they start out around 50 ohms th; /archives//html/Amps/1999-02/msg00149.html (7,243 bytes)
11. [AMPS] Mirage Amp Modification (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Sat, 20 Feb 1999 20:56:30 -0500; I have a couple of Mirage bricks that I am thinking of using as IPA's. Problem is that they would be run about half rated output. Anybody have success in adding an active bias circuit to get the IMD; /archives//html/Amps/1999-02/msg00550.html (6,872 bytes)
12. [AMPS] What (modern) tube to use? (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Sat, 20 Feb 1999 22:48:22 -0500; 1. What will pass muster for a FCC type approval and the way the rules are crafted, in a vain attempt to preclude operation on 27 MHz, almost forces a grounded grid triode solution. A friend of mine; /archives//html/Amps/1999-02/msg00553.html (8,557 bytes)
13. [AMPS] Blowers, meters (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Sat, 27 Feb 1999 15:26:47 -0500; My Grainger catalog shows about 7 that are 1800 RPM or lower. Check out their web page. Frank W2FCA -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrati; /archives//html/Amps/1999-02/msg00691.html (7,351 bytes)
14. [AMPS] Re: Blower (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Sun, 28 Feb 1999 16:48:08 -0500; I've used a 4C006 and it's fine, although the back pressure is.65 in so I have no idea what would happen if it were lower. Another interesting looking one is the 2C646 - 12v motor 1875 RPM and cut o; /archives//html/Amps/1999-02/msg00703.html (7,310 bytes)
15. [AMPS] Tube dimension question (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Sun, 3 Jan 1999 09:59:11 -0500; I have misplaced my spec sheet on the 8877. Can anyone tell me the dimension from the grid ring to the top of the tube? In other words, how high would it stick up from the chassis when mounted in the; /archives//html/Amps/1999-01/msg00038.html (7,009 bytes)
16. [AMPS] Dollars per dB (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Mon, 4 Jan 1999 17:35:14 -0500; Another advantage in the the world above 50 (tm). The DX person operating from 5U4GB probably doesn't need another USA contact from me in New York. The guy from EM73 is thrilled to work me in FN22.; /archives//html/Amps/1999-01/msg00062.html (8,225 bytes)
17. [AMPS] Rapid Warmup Indirectly Heated Cathode Tubes (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Mon, 11 Jan 1999 20:39:20 -0500; It's probably like the artist formerly known as Prince - you know, ? - the ham formerly known as Rich Frank W2FCA -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.co; /archives//html/Amps/1999-01/msg00151.html (8,254 bytes)
18. [AMPS] Dead Zone (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Fri, 22 Jan 1999 18:59:22 -0500; Hey, I'm a nice guy. If the same Canadian wants to send me $160 I won't gripe at all. Frank W2FCA -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative; /archives//html/Amps/1999-01/msg00332.html (6,774 bytes)
19. [AMPS] 851/861 Triode (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Thu, 28 Jan 1999 21:51:16 -0500; Are you sure it's a triode? I show an 861 that lists as a tetrode. Frank W2FCA -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQU; /archives//html/Amps/1999-01/msg00566.html (6,931 bytes)
20. [AMPS] ARRL and QST (and CW Relevance) (score: 1): Author: LOMAX1@prodigy.net (frank ayers jr); Date: Sat, 30 Jan 1999 14:09:41 -0500; Maybe ham radio was not the direct leader, but it would be interesting to see how many of the new developments were done in industry by hams. Frank W2FCA -- FAQ on WWW: http://www.contesting.com/amp; /archives//html/Amps/1999-01/msg00602.html (9,103 bytes)

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