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41. Re: [Amps] Amps Digest, Vol 39, Issue 39 (score: 1): Author: K3vw@aol.com; Date: Mon, 13 Mar 2006 16:18:38 EST; I have a brand new, never used, Peter Dahl filament transformer. It has a 120/240 vac primary with a 6.3 @ 55 amp secondary. Asking $175 or best offer. Willy K3VW ____________________________________; /archives//html/Amps/2006-03/msg00338.html (6,582 bytes)
42. Re: [Amps] Amps Digest, Vol 40, Issue 8 (score: 1): Author: K3vw@aol.com; Date: Tue, 4 Apr 2006 19:10:49 EDT; I have four (4) good but used 4CX250F/G tubes. They have the 26.5 vac filament. Will take $150 shipped CONUS only. Willy K3VW _______________________________________________ Amps mailing list Amps@co; /archives//html/Amps/2006-04/msg00067.html (6,524 bytes)
43. Re: [Amps] Amps Digest, Vol 40, Issue 9 (score: 1): Author: K3vw@aol.com; Date: Tue, 4 Apr 2006 19:30:28 EDT; I don't know about the 3CX5000A7 but I have a good, used pull from an MRI machine in a 3CPX5000A7 with filament transformer, for $450 shipped, CONUS or would consider a trade on a KW amp. Willy K3VW; /archives//html/Amps/2006-04/msg00068.html (6,201 bytes)
44. Re: [Amps] New Peter Dahl filament transformer (score: 1): Author: K3vw@aol.com; Date: Mon, 10 Apr 2006 19:15:52 EDT; 6.3 vac @ 55 amps. Never used. $150+ shipping, CONUS Only. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2006-04/msg00151.html (6,274 bytes)
45. Re: [Amps] Amps Digest, Vol 40, Issue 52 (score: 1): Author: K3vw@aol.com; Date: Mon, 24 Apr 2006 17:20:25 EDT; I have a brand new, never used, Peter Dahl filament transformer which is 6.3 vac @ 55 amps. You can power a pair of 3CX1200D or Z7's. $160 shipped CONUS ONLY Willy K3VW ______________________________; /archives//html/Amps/2006-04/msg00368.html (6,163 bytes)
46. Re: [Amps] Amps Digest, Vol 47, Issue 23 (score: 1): Author: K3vw@aol.com; Date: Sun, 12 Nov 2006 12:37:08 EST; Scott, N9AA, sounds like a bad tube with a filament-to-grid short to me !! Willy K3VW _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com; /archives//html/Amps/2006-11/msg00157.html (6,133 bytes)
47. Re: [Amps] Amps Digest, Vol 48, Issue 3 (score: 1): Author: K3vw@aol.com; Date: Sun, 3 Dec 2006 16:12:27 EST; I did the mod about 10 years ago. Peter Dahl has the special transformer, that fits in but is a tight fit. I bought the oil filled cap from him too. There are two, that are real small but cost quite-; /archives//html/Amps/2006-12/msg00006.html (6,524 bytes)
48. Re: [Amps] Amps Digest, Vol 50, Issue 20 (score: 1): Author: K3vw@aol.com; Date: Thu, 8 Feb 2007 17:40:03 EST; The problem with 3-500Z's was/ is caused by insufficient cooling of the tubes. Some amps even use a muffin fan on 3CX800 tube amps, which, according to Eimac's spec's are to be cooled by a blower, no; /archives//html/Amps/2007-02/msg00140.html (6,847 bytes)
49. Re: [Amps] Amps Digest, Vol 50, Issue 44 (score: 1): Author: K3vw@aol.com; Date: Mon, 19 Feb 2007 18:19:02 EST; I have several tested good 4-1000A tubes. Two are a matched set of Penta Lab tubes. Also have a H.B. 4-1000 amp that works 10 to 80 meter's. Has 3.3 KVDC w/ oil cap. RF deck has meters and vacuum var; /archives//html/Amps/2007-02/msg00305.html (7,013 bytes)
50. Re: [Amps] Amps Digest, Vol 52, Issue 2 (score: 1): Author: K3vw@aol.com; Date: Tue, 3 Apr 2007 16:00:49 EDT; Ask Bill Edwards of Omega Electronics in Knightdale, NC at 919-266-7373 He specializes in Ameritrons. Willy K3VW ** See what's free at http://www.aol.com. ____________________________________________; /archives//html/Amps/2007-04/msg00001.html (6,248 bytes)
51. Re: [Amps] Amps Digest, Vol 60, Issue 15 (score: 1): Author: K3vw@aol.com; Date: Sun, 9 Dec 2007 13:50:29 EST; A 4-1000A is a tetrode and using it in grounded grid, raises the IMD products and is harder to drive. It is easier, to build one in G.G. but grid driven is the best way to go or even G2DAF ! Willy K3; /archives//html/Amps/2007-12/msg00107.html (6,473 bytes)
52. Re: [Amps] Amps Digest, Vol 61, Issue 20 (score: 1): Author: K3vw@aol.com; Date: Mon, 14 Jan 2008 16:45:14 EST; The 3CX1500C7 is not the same tube as the 3CX1500A7. Check the Eimac spec's on the ( C7 ) Willy **Start the year off right. Easy ways to stay in shape. http://body.aol.com/fitness/winter-exercise?NCI; /archives//html/Amps/2008-01/msg00112.html (6,353 bytes)
53. Re: [Amps] Amps Digest, Vol 66, Issue 34 (score: 1): Author: K3vw@aol.com; Date: Tue, 24 Jun 2008 11:12:03 EDT; I have a very clean and good working, Henry 1KD-5 linear amplifier, with a good Eimac 3-500Z tube. Have original manual. Will take $750 for it, picked up here near Raleigh, NC. Willy K3VW **Gas price; /archives//html/Amps/2008-06/msg00212.html (6,724 bytes)
54. Re: [Amps] Amps Digest, Vol 70, Issue 12 (score: 1): Author: K3vw@aol.com; Date: Sat, 11 Oct 2008 18:09:40 EDT; Bob, have tried putting some 1K pf/ 1000vdc caps to by-pass for RF at the 120 vac ? Willy K3VW ** New MapQuest Local shows what's happening at your destination. Dining, Movies, Events, News & mor; /archives//html/Amps/2008-10/msg00058.html (6,458 bytes)
55. Re: [Amps] Amps Digest, Vol 79, Issue 3 (score: 1): Author: K3vw@aol.com; Date: Wed, 1 Jul 2009 15:12:15 EDT; Send Amps mailing list submissions to amps@contesting.com To subscribe or unsubscribe via the World Wide Web, visit http://lists.contesting.com/mailman/listinfo/amps or, via email, send a message wit; /archives//html/Amps/2009-07/msg00019.html (12,815 bytes)
56. Re: [Amps] Contents of Amps Digest, Vol 79, Issue 20 (score: 1): Author: K3vw@aol.com; Date: Thu, 9 Jul 2009 15:07:07 EDT; Send Amps mailing list submissions to amps@contesting.com To subscribe or unsubscribe via the World Wide Web, visit http://lists.contesting.com/mailman/listinfo/amps or, via email, send a message wit; /archives//html/Amps/2009-07/msg00139.html (15,452 bytes)
57. Re: [Amps] Amps Digest, Vol 81, Issue 17 (score: 1): Author: K3vw@aol.com; Date: Wed, 9 Sep 2009 15:22:39 EDT; Send Amps mailing list submissions to amps@contesting.com To subscribe or unsubscribe via the World Wide Web, visit http://lists.contesting.com/mailman/listinfo/amps or, via email, send a message wit; /archives//html/Amps/2009-09/msg00128.html (11,464 bytes)
58. Re: [Amps] Amps Digest, Vol 84, Issue 63 (score: 1): Author: k3vw@aol.com; Date: Sun, 20 Dec 2009 08:13:23 EST; Send Amps mailing list submissions to amps@contesting.com To subscribe or unsubscribe via the World Wide Web, visit http://lists.contesting.com/mailman/listinfo/amps or, via email, send a message wit; /archives//html/Amps/2009-12/msg00508.html (29,093 bytes)
59. Re: [Amps] Amps Digest, Vol 86, Issue 52 (score: 1): Author: K3vw@aol.com; Date: Sun, 14 Feb 2010 13:41:28 EST; Send Amps mailing list submissions to amps@contesting.com To subscribe or unsubscribe via the World Wide Web, visit http://lists.contesting.com/mailman/listinfo/amps or, via email, send a message wit; /archives//html/Amps/2010-02/msg00486.html (25,672 bytes)
60. [Amps] Fwd: Amps Digest, Vol 89, Issue 22 (score: 1): Author: K3vw@aol.com; Date: Fri, 14 May 2010 20:38:28 EDT; I have a 3CX1200Z7 tube, that has a 6.3 vac fil. Has three pins for fil & cathode and a grid ring around the middle to ground the grid. Any tube has to go thru a gettering process before putting B+ o; /archives//html/Amps/2010-05/msg00155.html (11,464 bytes)

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