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21. [AMPS] Re:WTB FIL XFMR (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Tue, 23 Jan 2001 19:01:10 +0000; 1-01-23 04.38, skrev Arne Gjerning på gjerning@flash.net följande: 1-01-23 04.38, skrev Arne Gjerning på gjerning@flash.net följande: Hej Arne: If you do not care about the othe; /archives//html/Amps/2001-01/msg00580.html (10,627 bytes)
22. [AMPS] Spare parts for HEATHKIT HW9 needed (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Tue, 23 Jan 2001 23:51:25 +0000; Any body who knows where to buy spare iron cores for the HEATHKIT HW9?? Thank you de Hans SM5KI -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative reque; /archives//html/Amps/2001-01/msg00584.html (6,495 bytes)
23. [AMPS] W6SAI (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Thu, 25 Jan 2001 22:46:30 +0000; 1-01-25 20.44, skrev CT HRD på tony@uch.net följande: I am shocked. Bill send me a mail just 9 days ago worrying about his old friend SM5KP who is ill. I have almost everything he wrote si; /archives//html/Amps/2001-01/msg00621.html (9,032 bytes)
24. [AMPS] Re:WTB FIL XFMR (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Sun, 28 Jan 2001 00:12:40 +0000; 1-01-23 04.38, skrev Arne Gjerning på gjerning@flash.net följande: Hej Arne: If you do not care about the other guy he will not care about you. If everybody does not care about their signa; /archives//html/Amps/2001-01/msg00656.html (9,418 bytes)
25. [AMPS] MULLARD EL 34 question (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Sun, 28 Jan 2001 14:29:20 +0000; Hello Ian, Are you familiar with the EL34 tubes made by MULLARD in the eighties? I have infront of me a TUNGSRAM valve in a white cartoon with the text xf2 84F5 and TUNGSRAM /imp on the glass bulb.It; /archives//html/Amps/2001-01/msg00660.html (9,769 bytes)
26. [AMPS] Re:WTB FIL XFMR (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Sun, 28 Jan 2001 22:05:26 +0000; 1-01-28 19.12, skrev measures på 2@vc.net följande: Yeah in class A the anode current is constant. In order to let the amp stay that way under modulation one detects any current changes, r; /archives//html/Amps/2001-01/msg00663.html (10,935 bytes)
27. [AMPS] AL-1200 Blower (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Thu, 07 Dec 2000 12:35:09 +0000; 0-12-07 00.27, skrev Bill Turner på w7ti@jps.net följande: The K2RIW methode is better. In his by now famous 2 meter and 75cm paralell 4CX250B amplifiers he simply measured the air exaust; /archives//html/Amps/2000-12/msg00108.html (9,329 bytes)
28. [AMPS] Choke series resonance clarification (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Sat, 09 Dec 2000 22:15:28 +0000; 0-12-09 19.35, skrev Tom Rauch på w8ji@contesting.com följande: Interesting Tom. Why not discuss how the coil form (bobin?) affects the capacitance turn to turn? I have a ceramic bobin whe; /archives//html/Amps/2000-12/msg00162.html (12,412 bytes)
29. [AMPS] Choke series resonance clarification (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Mon, 11 Dec 2000 12:17:52 +0000; 0-12-11 08.45, skrev Peter Chadwick på Peter_Chadwick@mitel.com följande: No, with Rich...................... de Hans -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@co; /archives//html/Amps/2000-12/msg00192.html (9,266 bytes)
30. [AMPS] Alpha (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Fri, 29 Dec 2000 21:47:50 +0000; 0-12-29 18.59, skrev Bob Marston på k1ta@contesting.com följande: There is a big difference when you build your own amp: most hams have not the knowledge and testing equipment to check the; /archives//html/Amps/2000-12/msg00354.html (11,714 bytes)
31. [AMPS] Alpha (HOME BREW OR NOT?) (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Sat, 30 Dec 2000 12:16:13 +0000; It is much cheaper to buy a used SB220 for little money then trying to collect parts for a homebrewed amp. If you are an old timer with a big junk box or visit a lot of flea markets, you may be able; /archives//html/Amps/2000-12/msg00367.html (10,812 bytes)
32. [AMPS] Alpha (HOME BREW OR NOT?) (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Sat, 30 Dec 2000 15:26:17 +0000; 0-12-30 12.16, skrev Barry Kirkwood på bjk@ihug.co.nz följande: No not at all. I have discussed these solutions before on this net. PL 509s are great and SVETLANA sells them. However, 8072; /archives//html/Amps/2000-12/msg00369.html (14,132 bytes)
33. [AMPS] Himu triode 4-400A distorsion products?? (score: 1): Author: sm5ki@algonet.se (Hans Goldschmidt); Date: Sat, 30 Dec 2000 15:27:32 +0000; Now when EIMAC 3-500Zs are hard to get cheap, a direct replacement has been suggested: a hi mu triode connected 4-400A. I can get the PHILIPS and SIEMENS equivalents with graphite anodes (RS 1002A et; /archives//html/Amps/2000-12/msg00370.html (9,250 bytes)
34. SV: [AMPS] RF Choke (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Fri, 03 Nov 2000 23:19:13 +0100; If you take the grids to ground by a low ohmic resistor as a fuse with some high value cap in paralell, would that not add to parasite suppression? At the parasite frequency the cap, due to its inher; /archives//html/Amps/2000-11/msg00045.html (9,900 bytes)
35. SV: [AMPS] Trouble With an AL-80A... Cause? (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Fri, 03 Nov 2000 23:23:39 +0100; A mosquito was elecrocuted perhaps?? Always use a fine mesh net at the air inlet folks. ??? de Hans Från: kd4rwn@bellsouth.net -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amp; /archives//html/Amps/2000-11/msg00046.html (8,943 bytes)
36. [AMPS] 2/3 tone generator for sale or swap (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Tue, 07 Nov 2000 11:10:56 +0100; I have a 2/3-tone af generator used for testing of SSB transmitters for sale or swap Anybody? Hans SM5KI -- -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administ; /archives//html/Amps/2000-11/msg00084.html (7,961 bytes)
37. SV: [AMPS] advice on an old SB-220 (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Sat, 11 Nov 2000 06:18:17 +0100; In the latest issue of the Brittish ELECTRONICS WORLD (11/2000) there is an interesting article called " NEW LIFE FOR OLD VALVES" where the author actually accelerated the gettering process by a fact; /archives//html/Amps/2000-11/msg00104.html (9,927 bytes)
38. SV: [AMPS] KWM-380 (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Fri, 17 Nov 2000 20:35:41 +0100; But this rig has a lot of sideband noise according to tests published. Hans SM5KI -- -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-R; /archives//html/Amps/2000-11/msg00195.html (7,941 bytes)
39. SV: [AMPS] possible amp tube (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Sat, 18 Nov 2000 08:43:23 +0100; Tom: Our problem with those Russian tubes is, that very little if ever seems to have been published of how linear they are in SSB? Nothing about distorsion like in the EIMAC publications. Those surpl; /archives//html/Amps/2000-11/msg00200.html (11,324 bytes)
40. SV: SV: [AMPS] possible amp tube (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Sat, 18 Nov 2000 19:07:12 +0100; I think I get Richs point. Introduced by EIMAC in 1957 in an amplifier application using a 4CX1000, a 50 ohm dummyload was connected at the input of the grounded cathode tube. The advantages are: 1.t; /archives//html/Amps/2000-11/msg00209.html (9,179 bytes)

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