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241. [AMPS] AL1500 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 3 Dec 2001 16:43:06 -0800; Where did you get the idea that an 8877 can "deliver safety only 1500W?" It's a 1500W rated _dissipation_ triode. Normally, one can achieve about 2x the plate dissipation rating of any transmitting t; /archives//html/Amps/2001-12/msg00050.html (12,352 bytes)
242. [AMPS] AL1500 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 4 Dec 2001 07:36:46 -0800; Were there "known bad runs" or lots of 8877s? Sounds like maybe there were. I've used them for many years and never had one fail, usually obtaining "pulls" from plasma RF generators or metal sputteri; /archives//html/Amps/2001-12/msg00073.html (9,717 bytes)
243. [AMPS] AL1500 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 4 Dec 2001 07:48:43 -0800; [Steve Katz] Not surprised there are marketing variants of data sheets from Eimac, just like from anyone else. AL1500 runs ~65% efficiency at full power output, resulting in only about 1200W dissipa; /archives//html/Amps/2001-12/msg00075.html (10,783 bytes)
244. [AMPS] AL1500 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 4 Dec 2001 07:49:43 -0800; Thanks for the info, Peter. I don't think I have any that are "newer" than 1986, but I'll check. Damn, I'm getting old.... WB2WIK/6 -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps; /archives//html/Amps/2001-12/msg00076.html (8,717 bytes)
245. [AMPS] AL1500 (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 5 Dec 2001 13:45:23 -0800; [Steve Katz] Murphy also said that a dropped 8877 will land on your little toe and break it. -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative request; /archives//html/Amps/2001-12/msg00124.html (8,954 bytes)
246. [AMPS] 8877 heater (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 5 Dec 2001 16:17:00 -0800; [Steve Katz] Except that article is way more than 1k words.... WB2WIK/6 -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@conte; /archives//html/Amps/2001-12/msg00127.html (6,964 bytes)
247. [AMPS] FW: Dec 7th (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 7 Dec 2001 08:03:29 -0800; [Steve Katz] Wait a minute. You mean a Beverage antenna isn't one made of beer cans? Jeesh, no wonder mine doesn't have all the claimed low-noise virtues. WB2WIK/6 -- FAQ on WWW: http://www.contesti; /archives//html/Amps/2001-12/msg00163.html (7,707 bytes)
248. [AMPS] Reflector thoughts about my future amp project wanted! (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 11 Dec 2001 09:18:46 -0800; I have built two amps using 4-1000's, both grounded cathode. The six meter amp (still in use) started out with a tuned input network using a bifilar toroid and small trimmer capacitor and presented a; /archives//html/Amps/2001-12/msg00206.html (14,474 bytes)
249. [AMPS] HV Pole Pig Transformers (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 19 Dec 2001 10:20:41 -0800; [Steve Katz] I have, and always regretted it. Too big, too heavy, don't need the weatherproof casing, the old ones contain PCB-laden transformer oil...and the one I had was 7200V primary (which of c; /archives//html/Amps/2001-12/msg00343.html (9,726 bytes)
250. [AMPS] HV Pole Pigs ++ (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 19 Dec 2001 11:40:53 -0800; [Steve Katz] But with a Chinese transformer, don't you get hungry an hour later? -WB2WIK/6 -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests:; /archives//html/Amps/2001-12/msg00349.html (8,837 bytes)
251. [AMPS] HV Pole Pigs ++ (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 19 Dec 2001 11:46:14 -0800; [Steve Katz] Hear, hear. I'm in the contract manufacturing business, and we turn away lots of potential business because we don't provide a free prototype, either. The Chinese will wise up, give the; /archives//html/Amps/2001-12/msg00350.html (9,182 bytes)
252. FW: RE: Re: Re: [AMPS] HV Pole Pigs ++ (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 19 Dec 2001 13:22:16 -0800; I agree. (below) -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com; /archives//html/Amps/2001-12/msg00358.html (10,085 bytes)
253. [AMPS] HV Pole Pig Transformers (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 19 Dec 2001 16:08:33 -0800; Interesting the "Sandlabs" website has apparently crashed, it's not available right now. Wonder where Boy Wonder Alex N2NNU is? On to better things, like how I can get a lot of free stuff... WB2WIK/6; /archives//html/Amps/2001-12/msg00363.html (8,726 bytes)
254. [AMPS] HV Pole Pigs ++ (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Wed, 19 Dec 2001 16:20:52 -0800; Interesting that a web search for those famous labs divulges primarily references to contesting.com... Tells a lot about a business. "Each success only buys an admission ticket to a more difficult pr; /archives//html/Amps/2001-12/msg00365.html (12,653 bytes)
255. [AMPS] Free stuff from business and industry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 20 Dec 2001 07:32:24 -0800; [Steve Katz] I suspect those are tax writeoffs, provided to a non-profit organization. Can't do that in commercial business. My company provides such freebies to schools all the time. -WB2WIK/6 [Ste; /archives//html/Amps/2001-12/msg00387.html (12,523 bytes)
256. [AMPS] Free stuff from business and industry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 20 Dec 2001 07:35:16 -0800; [Steve Katz] Must admit that does seem the standard frugal "ham way," and if I could do it, I'd try as well! -WB2WIK/6 -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.; /archives//html/Amps/2001-12/msg00388.html (12,206 bytes)
257. [AMPS] HV Pole Pigs ++ (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 20 Dec 2001 07:40:04 -0800; [Steve Katz] I wouldn't condemn a nation of >1 billion for the actions of a few hundred. I can't avoid buying some Chinese goods, as I like their food, and use their chopsticks to eat it. My only pr; /archives//html/Amps/2001-12/msg00389.html (10,136 bytes)
258. [AMPS] pair 572Bs $70 shipped or trade (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 20 Dec 2001 16:11:31 -0800; On this subject (which has substantially deviated from pairs of 572Bs, somehow), I have purchased both Kenwood and INRAD 1.8 kHz filters and sincerely regret all the above. The slope tuning, IF shift; /archives//html/Amps/2001-12/msg00411.html (11,456 bytes)
259. [AMPS] HV Pole Pigs ++ (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 20 Dec 2001 16:13:06 -0800; I'm still trying to figure why hams (including me, in my younger and stupider days) feel the need to use a 96 kVA transformer to power an amateur amplifier. Even tubes with really big handles don't n; /archives//html/Amps/2001-12/msg00412.html (12,518 bytes)
260. [AMPS] HV Pole Pigs ++ (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Thu, 20 Dec 2001 16:39:50 -0800; Typ secondary = 240V, 400Arms. 240 x 400 = 96kVA. Of course, in "our" applications, that becomes the primary. -WB2WIK/6 "Each success only buys an admission ticket to a more difficult problem." -- He; /archives//html/Amps/2001-12/msg00416.html (14,730 bytes)

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