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21. [AMPS] Transformers (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 9 Mar 1999 10:57:34 -0500; Peter, do you mean completely potting in tar as was done ages ago? I have not had or noticed problems with open frame xfmrs that are vacuum sealed/impregnated. The failures I see are the SB-220 and N; /archives//html/Amps/1999-03/msg00189.html (10,660 bytes)
22. [AMPS] Transformers (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 9 Mar 1999 11:43:18 -0500; On Mon, 8 Mar 1999 20:20:37 -0500 "Pat Poirier" <hkman@hitter.net> writes: If you read carefully you will note that many are for CB amps and/or CB conversions with outlandish tube lineups! Others are; /archives//html/Amps/1999-03/msg00190.html (11,855 bytes)
23. [AMPS] Transformers (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Tue, 9 Mar 1999 16:58:43 -0000; vacuum My failure was a transformer that had no apparent impregnation: possibly a thin layer of varnish. 'Proper' transformers with vacuum varnish impregnation are another matter, but some of the che; /archives//html/Amps/1999-03/msg00191.html (9,630 bytes)
24. [AMPS] Transformers (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 9 Mar 1999 10:06:22 -0800; Once again, to correct .... shall we say "wishful inaccuracies". I don't mind taking a poke from time to time, considering the source, but I won't stand by for lies. Over 40,000. Source would have to; /archives//html/Amps/1999-03/msg00193.html (11,463 bytes)
25. [AMPS] Transformers (score: 1): Author: hkman@hitter.net (Pat Poirier); Date: Tue, 9 Mar 1999 20:11:43 -0500; Manufactures. ie, Alpha, Ameritron, Amp. Supply, B&W, 4 pages of Collins, Dentron, Drake, Globe, Gonset, Hallicrafter, Heath, Henry, Johnson, MFJ, National, SWAN, Ten-Tec and Yeasu. That doesn't look; /archives//html/Amps/1999-03/msg00202.html (13,973 bytes)
26. [AMPS] Transformers (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 9 Mar 1999 20:08:27 -0800; ? ..... seems reasonable, Peter . Henry uses a filter capacitor with rather low ESR, and no glitch resistor in the hv pos. to limit peak fault current. ? Yacht varnish is good, however, it shrinks w; /archives//html/Amps/1999-03/msg00204.html (9,080 bytes)
27. [AMPS] Transformers (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 10 Mar 1999 11:37:33 -0800; ? Have you a mouse in your pocket, Dan? ? New to my Web site is a photograph (see Figure 15H) of a Henry Radio Co. amplifier's bandswitch that has a damaged contact and rotor. . In my opinion, the d; /archives//html/Amps/1999-03/msg00213.html (9,506 bytes)
28. [AMPS] Transformers (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Wed, 10 Mar 99 14:00:27 -0600; I'd hadly say that Dan uses ad hominem attacks. He didn't attack any specific person here and I don't recall him ever getting nasty with anyone - at least not in public. Yes, I get tired of his sale; /archives//html/Amps/1999-03/msg00214.html (8,443 bytes)
29. [AMPS] Transformers (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Wed, 10 Mar 1999 10:49:33 -0500; Thats what Dahl does to the mobile CBers..no sealing whatsoever. Those users are too dumb to realize anyway and just keep ordering replacements. The Not much help when the U -boat sunk the Admiralty'; /archives//html/Amps/1999-03/msg00216.html (11,137 bytes)
30. [AMPS] Transformers (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Wed, 10 Mar 1999 14:45:42 -0500; On Tue, 9 Mar 1999 20:11:43 -0500 "Pat Poirier" <hkman@hitter.net> writes: 10-4 good buddy; guess you just skimmed and didnt read too close. Many of those names you mentioned were not for amplifier x; /archives//html/Amps/1999-03/msg00217.html (13,766 bytes)
31. [AMPS] Transformers (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Wed, 10 Mar 1999 14:04:47 -0500; On Tue, 9 Mar 1999 10:06:22 -0800 "Radiodan W7RF" <RFpower@radiodan.com> writes: A nice phrase from a master of hyperbole. That figures...you wont stand for anyone topping yours.... I don't really kn; /archives//html/Amps/1999-03/msg00218.html (14,397 bytes)
32. [AMPS] Transformers (score: 1): Author: AB4RU@stc.net (Ron Hooper); Date: Mon, 24 Feb 1997 14:21:43 +0000; If anyone needs a transformer give Tom Hand a call in Snellville Georgia. He is retired from GE and built transformers for 33 years. He is limited on time but can do custom winds for folks. His price; /archives//html/Amps/1997-02/msg00042.html (6,606 bytes)
33. [Amps] Transformers (score: 1): Author: craxd <craxd1@ezwv.com>; Date: Wed, 15 Sep 2004 18:55:38 -0400; Hello, I figured I'd let everyone on the mailer know I was set up today by the Magnetic Metals rep to buy C-Cores the same as Dahl. In turn where Magnetic Metals had sold their EI core business to Te; /archives//html/Amps/2004-09/msg00269.html (7,765 bytes)
34. [Amps] transformers (score: 1): Author: "carl s." <carlseye@tampabay.rr.com>; Date: Sun, 29 Jan 2006 12:39:49 -0500; Mark : if you read this , I e-mailed you about the transformers you mentioned here but my messages bounced. If you still have them please mlet me know with a good e-mail address. !! Thanks carl / kz5; /archives//html/Amps/2006-01/msg00692.html (6,438 bytes)
35. [Amps] Transformers (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Sat, 15 Jul 2006 00:01:33 -0400; The SB220 transformer was designed for a kilowatt INPUT DC, which was the legal input when it was designed. This was about 450 mA at about 2200 volts. It was a good conservative design for that powe; /archives//html/Amps/2006-07/msg00408.html (10,603 bytes)
36. Re: [Amps] Transformers (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Sat, 15 Jul 2006 00:45:03 -0400; See Below; ** REPLY SEPARATOR ** Why does Heathkit show in their manuals the open circuit voltage, and the full load voltage that calculates to 15% sag (OCV / FLV )? They show this in several of thei; /archives//html/Amps/2006-07/msg00409.html (12,886 bytes)
37. Re: [Amps] Transformers (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Sat, 15 Jul 2006 06:45:08 -0400; Manuals are written from other manuals, and the goal was to always be conservative. Manual writers at Heath were a completely different group than engineers. I don't think I talked to a manual write; /archives//html/Amps/2006-07/msg00417.html (11,010 bytes)
38. Re: [Amps] Transformers (score: 1): Author: Joe Isabella <n3ji@yahoo.com>; Date: Sat, 15 Jul 2006 06:50:50 -0700 (PDT); Since you mentioned that, why does the front of the SB-220 say "2KW LINEAR AMPLIFIER" if it was designed as a 1kW input amp? I've often wondered that... Joe, N3JI The SB220 transformer was designed f; /archives//html/Amps/2006-07/msg00418.html (11,296 bytes)
39. Re: [Amps] Transformers (score: 1): Author: Gudguyham@aol.com; Date: Sat, 15 Jul 2006 11:22:05 EDT; Since you mentioned that, why does the front of the SB-220 say "2KW LINEAR AMPLIFIER" if it was designed as a 1kW input amp? I've often wondered that... Joe, N3JI The SB-220 was rated at 2KW PEP inpu; /archives//html/Amps/2006-07/msg00420.html (7,057 bytes)
40. Re: [Amps] Transformers (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Sat, 15 Jul 2006 12:52:43 -0400; ** REPLY SEPARATOR ** The lesser the amount of iron in the core at a given power, the higher the magnetizing current is, and surely a higher flux density. Also, the very first step in designing a tra; /archives//html/Amps/2006-07/msg00423.html (13,047 bytes)

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