- 41. Re: [Amps] bringing up my gu-84b amp (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 05 Mar 2006 15:20:28 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ It could very well be the tube, but not necessarily. Something else could be arcing when you reach a certain voltage. Try removing
- /archives//html/Amps/2006-03/msg00101.html (7,047 bytes)
- 42. Re: [Amps] For cats sake! (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 05 Mar 2006 16:42:02 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I guess I'm a little dense today, but it took me a while to figure out what your question was. Apparently it's "how do I reduce the
- /archives//html/Amps/2006-03/msg00104.html (7,640 bytes)
- 43. Re: [Amps] For cats sake! (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 05 Mar 2006 19:49:21 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Can't believe you said that, Will. A variac is a transformer, not a choke. With a choke, the amount of voltage drop depends on the
- /archives//html/Amps/2006-03/msg00108.html (7,562 bytes)
- 44. Re: [Amps] For cats sake! (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 05 Mar 2006 20:36:16 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If I lived to be a thousand I would never have thought of connecting a variac that way, but you are correct about the effect. Mr. V
- /archives//html/Amps/2006-03/msg00111.html (7,904 bytes)
- 45. Re: [Amps] HB Amps (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Mon, 06 Mar 2006 11:13:35 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ No new 813s? RF Parts has Taylor brand listed for $37.95. The comparison was to a *single* 3-500Z, not a pair. A pair of the Taylor
- /archives//html/Amps/2006-03/msg00124.html (9,031 bytes)
- 46. Re: [Amps] HB Amps (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Mon, 06 Mar 2006 13:44:13 -0800
- ORIGINAL MESSAGE: <snip> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 211? That's a hoot. After WW2 you could buy 211s for 25 cents each at any surplus joint. A truly ancient design. I wonder wh
- /archives//html/Amps/2006-03/msg00131.html (9,203 bytes)
- 47. Re: [Amps] HB Amps (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Mon, 06 Mar 2006 13:49:40 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Not all contesters. The only tube I ever had blow during a contest was a 3CX1200 in my Ameritron amp of the same name. It was repla
- /archives//html/Amps/2006-03/msg00132.html (7,943 bytes)
- 48. Re: [Amps] HB Amps (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Mon, 06 Mar 2006 14:46:27 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I should have known. Thanks. Bill, W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http
- /archives//html/Amps/2006-03/msg00134.html (7,639 bytes)
- 49. Re: [Amps] A $500 amp! (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Wed, 08 Mar 2006 18:24:17 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ When power is measured in bird watts, splatter is measured in horsefeathers. "You're splattering about 15 horsefeathers, OM". :-) B
- /archives//html/Amps/2006-03/msg00216.html (7,759 bytes)
- 50. Re: [Amps] Observations on a Pi-L tank (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Fri, 10 Mar 2006 15:07:26 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My experience tells me that even at the 650 watt level, 14 AWG wire is marginally too small for a 17/12 meter tank coil. It will ru
- /archives//html/Amps/2006-03/msg00257.html (7,940 bytes)
- 51. Re: [Amps] SB220 refurb TSPA (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Fri, 10 Mar 2006 15:14:58 -0800
- Maybe I should know this but I don't: What is the "TSPA" acronym in the subject line? I've seen it on several posts, but I don't have a clue. Neither does google. I must know these things. :-) 73, Bi
- /archives//html/Amps/2006-03/msg00259.html (6,814 bytes)
- 52. Re: [Amps] Oscilloscopes (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Fri, 10 Mar 2006 21:56:43 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The nuvistor was an amazing tube too. RCA used them in TV tuners for years and I only recall ever having to replace one. Quite impr
- /archives//html/Amps/2006-03/msg00262.html (7,271 bytes)
- 53. Re: [Amps] Transformers in series (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 12 Mar 2006 13:01:04 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Another subtlety to be aware of when doing this is the insulation between windings and core. If the core is grounded, as it should
- /archives//html/Amps/2006-03/msg00294.html (8,842 bytes)
- 54. Re: [Amps] Transformers in series (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 12 Mar 2006 13:25:36 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If you don't have a scope, a simple AC voltmeter will do. For series secondaries, the voltages will either add, giving you twice th
- /archives//html/Amps/2006-03/msg00296.html (8,995 bytes)
- 55. Re: [Amps] Need Bandswitch 3-500Z (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 12 Mar 2006 13:40:22 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This isn't exactly what you asked, but something to consider: LDG makes an autotuning input board which will do the job automatical
- /archives//html/Amps/2006-03/msg00298.html (7,897 bytes)
- 56. Re: [Amps] Transformers in series (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 12 Mar 2006 13:53:29 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Using four transformers like this is not good design practice unless you know for sure the insulation between windings and core wil
- /archives//html/Amps/2006-03/msg00299.html (9,322 bytes)
- 57. Re: [Amps] Data Source for Toroids (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 12 Mar 2006 14:17:43 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I always remember Eureka, CA as having the smallest range of temperature extremes of any city in the USA. The highest temp ever rec
- /archives//html/Amps/2006-03/msg00302.html (7,269 bytes)
- 58. Re: [Amps] Transformers in series (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Sun, 12 Mar 2006 14:26:25 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Other than common sense. Imagine working on a unit with an ungrounded core which has somehow developed a short between core and win
- /archives//html/Amps/2006-03/msg00303.html (8,394 bytes)
- 59. Re: [Amps] Microwave Oven Autopsy (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Mon, 13 Mar 2006 08:25:57 -0800
- ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The only problem I see is current limiting in case of a short. A neon sign transformer might be a better choice since they have bui
- /archives//html/Amps/2006-03/msg00327.html (8,212 bytes)
- 60. Re: [Amps] Proof of idiocy (score: 1)
- Author: Bill Turner <dezrat@copper.net>
- Date: Mon, 13 Mar 2006 17:23:28 -0800
- ORIGINAL MESSAGE: ** REPLY SEPARATOR ** Is it really important to count the turns? I would think just being able to preset or reset to a known number would be good enough. From one who has never used
- /archives//html/Amps/2006-03/msg00347.html (9,224 bytes)
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